Home / 2,810,445.16-4,215,784.40-815,901.16

Finding the Fourth Proportional to 2,810,445.16, 4,215,784.40 and 815,901.16

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Solution

The fourth proportional to 2,810,445.16, 4,215,784.40 and 815,901.16 is: 1,223,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,445.16 : 4,215,784.40 = 815,901.16 : x
  2. Step 2: Convert to fraction form
    2,810,445.16/4,215,784.40 = 815,901.16/x
  3. Step 3: Cross multiply
    2,810,445.16x = 4,215,784.40 × 815,901.16
  4. Step 4: Simplify right side
    2,810,445.16x = 3,439,663,382,269.90
  5. Step 5: Solve for x
    x = 3,439,663,382,269.90/2,810,445.16
  6. Step 6: Final answer
    x = 1,223,885.61

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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.