Home / 5,111,171.28-7,053,461.42-2,788,074.11

Finding the Fourth Proportional to 5,111,171.28, 7,053,461.42 and 2,788,074.11

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Solution

The fourth proportional to 5,111,171.28, 7,053,461.42 and 2,788,074.11 is: 3,847,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,171.28 : 7,053,461.42 = 2,788,074.11 : x
  2. Step 2: Convert to fraction form
    5,111,171.28/7,053,461.42 = 2,788,074.11/x
  3. Step 3: Cross multiply
    5,111,171.28x = 7,053,461.42 × 2,788,074.11
  4. Step 4: Simplify right side
    5,111,171.28x = 19,665,573,174,679.12
  5. Step 5: Solve for x
    x = 19,665,573,174,679.12/5,111,171.28
  6. Step 6: Final answer
    x = 3,847,566.85

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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.