Home / 3,390,522.38-4,678,987.13-1,862,687.42

Finding the Fourth Proportional to 3,390,522.38, 4,678,987.13 and 1,862,687.42

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Solution

The fourth proportional to 3,390,522.38, 4,678,987.13 and 1,862,687.42 is: 2,570,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,522.38 : 4,678,987.13 = 1,862,687.42 : x
  2. Step 2: Convert to fraction form
    3,390,522.38/4,678,987.13 = 1,862,687.42/x
  3. Step 3: Cross multiply
    3,390,522.38x = 4,678,987.13 × 1,862,687.42
  4. Step 4: Simplify right side
    3,390,522.38x = 8,715,490,465,392.90
  5. Step 5: Solve for x
    x = 8,715,490,465,392.90/3,390,522.38
  6. Step 6: Final answer
    x = 2,570,545.03

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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.