Home / 2,689,285.80-3,711,106.20-1,465,565.16

Finding the Fourth Proportional to 2,689,285.80, 3,711,106.20 and 1,465,565.16

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Solution

The fourth proportional to 2,689,285.80, 3,711,106.20 and 1,465,565.16 is: 2,022,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,285.80 : 3,711,106.20 = 1,465,565.16 : x
  2. Step 2: Convert to fraction form
    2,689,285.80/3,711,106.20 = 1,465,565.16/x
  3. Step 3: Cross multiply
    2,689,285.80x = 3,711,106.20 × 1,465,565.16
  4. Step 4: Simplify right side
    2,689,285.80x = 5,438,867,951,779.99
  5. Step 5: Solve for x
    x = 5,438,867,951,779.99/2,689,285.80
  6. Step 6: Final answer
    x = 2,022,420.95

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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.