Home / 1,925,397.55-2,888,539.25-646,174.78

Finding the Fourth Proportional to 1,925,397.55, 2,888,539.25 and 646,174.78

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Solution

The fourth proportional to 1,925,397.55, 2,888,539.25 and 646,174.78 is: 969,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,397.55 : 2,888,539.25 = 646,174.78 : x
  2. Step 2: Convert to fraction form
    1,925,397.55/2,888,539.25 = 646,174.78/x
  3. Step 3: Cross multiply
    1,925,397.55x = 2,888,539.25 × 646,174.78
  4. Step 4: Simplify right side
    1,925,397.55x = 1,866,501,214,390.12
  5. Step 5: Solve for x
    x = 1,866,501,214,390.12/1,925,397.55
  6. Step 6: Final answer
    x = 969,410.82

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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.