Home / 3,890,737.41-5,369,301.54-2,148,402.35

Finding the Fourth Proportional to 3,890,737.41, 5,369,301.54 and 2,148,402.35

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Solution

The fourth proportional to 3,890,737.41, 5,369,301.54 and 2,148,402.35 is: 2,964,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,737.41 : 5,369,301.54 = 2,148,402.35 : x
  2. Step 2: Convert to fraction form
    3,890,737.41/5,369,301.54 = 2,148,402.35/x
  3. Step 3: Cross multiply
    3,890,737.41x = 5,369,301.54 × 2,148,402.35
  4. Step 4: Simplify right side
    3,890,737.41x = 11,535,420,019,548.11
  5. Step 5: Solve for x
    x = 11,535,420,019,548.11/3,890,737.41
  6. Step 6: Final answer
    x = 2,964,841.57

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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.