Home / 1,976,703.20-2,727,849.12-1,071,285.20

Finding the Fourth Proportional to 1,976,703.20, 2,727,849.12 and 1,071,285.20

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Solution

The fourth proportional to 1,976,703.20, 2,727,849.12 and 1,071,285.20 is: 1,478,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,703.20 : 2,727,849.12 = 1,071,285.20 : x
  2. Step 2: Convert to fraction form
    1,976,703.20/2,727,849.12 = 1,071,285.20/x
  3. Step 3: Cross multiply
    1,976,703.20x = 2,727,849.12 × 1,071,285.20
  4. Step 4: Simplify right side
    1,976,703.20x = 2,922,304,390,089.02
  5. Step 5: Solve for x
    x = 2,922,304,390,089.02/1,976,703.20
  6. Step 6: Final answer
    x = 1,478,372.87

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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.