Home / 3,840,658.65-5,300,069.09-2,121,666.93

Finding the Fourth Proportional to 3,840,658.65, 5,300,069.09 and 2,121,666.93

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Solution

The fourth proportional to 3,840,658.65, 5,300,069.09 and 2,121,666.93 is: 2,927,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,658.65 : 5,300,069.09 = 2,121,666.93 : x
  2. Step 2: Convert to fraction form
    3,840,658.65/5,300,069.09 = 2,121,666.93/x
  3. Step 3: Cross multiply
    3,840,658.65x = 5,300,069.09 × 2,121,666.93
  4. Step 4: Simplify right side
    3,840,658.65x = 11,244,981,304,359.86
  5. Step 5: Solve for x
    x = 11,244,981,304,359.86/3,840,658.65
  6. Step 6: Final answer
    x = 2,927,878.35

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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.