Home / 3,432,988.88-4,737,686.28-1,905,108.56

Finding the Fourth Proportional to 3,432,988.88, 4,737,686.28 and 1,905,108.56

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Solution

The fourth proportional to 3,432,988.88, 4,737,686.28 and 1,905,108.56 is: 2,629,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,988.88 : 4,737,686.28 = 1,905,108.56 : x
  2. Step 2: Convert to fraction form
    3,432,988.88/4,737,686.28 = 1,905,108.56/x
  3. Step 3: Cross multiply
    3,432,988.88x = 4,737,686.28 × 1,905,108.56
  4. Step 4: Simplify right side
    3,432,988.88x = 9,025,806,686,622.56
  5. Step 5: Solve for x
    x = 9,025,806,686,622.56/3,432,988.88
  6. Step 6: Final answer
    x = 2,629,139.51

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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.