Home / 2,789,187.20-3,849,106.88-1,565,468.21

Finding the Fourth Proportional to 2,789,187.20, 3,849,106.88 and 1,565,468.21

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Solution

The fourth proportional to 2,789,187.20, 3,849,106.88 and 1,565,468.21 is: 2,160,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,187.20 : 3,849,106.88 = 1,565,468.21 : x
  2. Step 2: Convert to fraction form
    2,789,187.20/3,849,106.88 = 1,565,468.21/x
  3. Step 3: Cross multiply
    2,789,187.20x = 3,849,106.88 × 1,565,468.21
  4. Step 4: Simplify right side
    2,789,187.20x = 6,025,654,471,068.72
  5. Step 5: Solve for x
    x = 6,025,654,471,068.72/2,789,187.20
  6. Step 6: Final answer
    x = 2,160,362.15

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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.