Home / 3,438,381.29-4,745,079.95-1,889,697.87

Finding the Fourth Proportional to 3,438,381.29, 4,745,079.95 and 1,889,697.87

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Solution

The fourth proportional to 3,438,381.29, 4,745,079.95 and 1,889,697.87 is: 2,607,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,381.29 : 4,745,079.95 = 1,889,697.87 : x
  2. Step 2: Convert to fraction form
    3,438,381.29/4,745,079.95 = 1,889,697.87/x
  3. Step 3: Cross multiply
    3,438,381.29x = 4,745,079.95 × 1,889,697.87
  4. Step 4: Simplify right side
    3,438,381.29x = 8,966,767,447,252.17
  5. Step 5: Solve for x
    x = 8,966,767,447,252.17/3,438,381.29
  6. Step 6: Final answer
    x = 2,607,845.58

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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.