Home / 6,434,384.81-9,651,569.11-1,642,074.21

Finding the Fourth Proportional to 6,434,384.81, 9,651,569.11 and 1,642,074.21

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Solution

The fourth proportional to 6,434,384.81, 9,651,569.11 and 1,642,074.21 is: 2,463,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434,384.81 : 9,651,569.11 = 1,642,074.21 : x
  2. Step 2: Convert to fraction form
    6,434,384.81/9,651,569.11 = 1,642,074.21/x
  3. Step 3: Cross multiply
    6,434,384.81x = 9,651,569.11 × 1,642,074.21
  4. Step 4: Simplify right side
    6,434,384.81x = 15,848,592,717,458.47
  5. Step 5: Solve for x
    x = 15,848,592,717,458.47/6,434,384.81
  6. Step 6: Final answer
    x = 2,463,109.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.