Home / 3,085,897.56-4,629,585.06-1,287,780.72

Finding the Fourth Proportional to 3,085,897.56, 4,629,585.06 and 1,287,780.72

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Solution

The fourth proportional to 3,085,897.56, 4,629,585.06 and 1,287,780.72 is: 1,931,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,897.56 : 4,629,585.06 = 1,287,780.72 : x
  2. Step 2: Convert to fraction form
    3,085,897.56/4,629,585.06 = 1,287,780.72/x
  3. Step 3: Cross multiply
    3,085,897.56x = 4,629,585.06 × 1,287,780.72
  4. Step 4: Simplify right side
    3,085,897.56x = 5,961,890,381,868.04
  5. Step 5: Solve for x
    x = 5,961,890,381,868.04/3,085,897.56
  6. Step 6: Final answer
    x = 1,931,979.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.