Home / 2,896,890.40-4,350,001.20-2,187,719.20

Finding the Fourth Proportional to 2,896,890.40, 4,350,001.20 and 2,187,719.20

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Solution

The fourth proportional to 2,896,890.40, 4,350,001.20 and 2,187,719.20 is: 3,285,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,890.40 : 4,350,001.20 = 2,187,719.20 : x
  2. Step 2: Convert to fraction form
    2,896,890.40/4,350,001.20 = 2,187,719.20/x
  3. Step 3: Cross multiply
    2,896,890.40x = 4,350,001.20 × 2,187,719.20
  4. Step 4: Simplify right side
    2,896,890.40x = 9,516,581,145,263.04
  5. Step 5: Solve for x
    x = 9,516,581,145,263.04/2,896,890.40
  6. Step 6: Final answer
    x = 3,285,102.24

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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.