Home / 6,239,209.40-9,358,814.10-4,223,670.20

Finding the Fourth Proportional to 6,239,209.40, 9,358,814.10 and 4,223,670.20

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Solution

The fourth proportional to 6,239,209.40, 9,358,814.10 and 4,223,670.20 is: 6,335,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,209.40 : 9,358,814.10 = 4,223,670.20 : x
  2. Step 2: Convert to fraction form
    6,239,209.40/9,358,814.10 = 4,223,670.20/x
  3. Step 3: Cross multiply
    6,239,209.40x = 9,358,814.10 × 4,223,670.20
  4. Step 4: Simplify right side
    6,239,209.40x = 39,528,544,221,509.82
  5. Step 5: Solve for x
    x = 39,528,544,221,509.82/6,239,209.40
  6. Step 6: Final answer
    x = 6,335,505.30

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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.