Home / 5,105,319.12-7,045,341.58-2,782,212.28

Finding the Fourth Proportional to 5,105,319.12, 7,045,341.58 and 2,782,212.28

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Solution

The fourth proportional to 5,105,319.12, 7,045,341.58 and 2,782,212.28 is: 3,839,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,319.12 : 7,045,341.58 = 2,782,212.28 : x
  2. Step 2: Convert to fraction form
    5,105,319.12/7,045,341.58 = 2,782,212.28/x
  3. Step 3: Cross multiply
    5,105,319.12x = 7,045,341.58 × 2,782,212.28
  4. Step 4: Simplify right side
    5,105,319.12x = 19,601,635,860,670.60
  5. Step 5: Solve for x
    x = 19,601,635,860,670.60/5,105,319.12
  6. Step 6: Final answer
    x = 3,839,453.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.