Home / 2,810,432.16-4,215,764.88-815,888.16

Finding the Fourth Proportional to 2,810,432.16, 4,215,764.88 and 815,888.16

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Solution

The fourth proportional to 2,810,432.16, 4,215,764.88 and 815,888.16 is: 1,223,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,432.16 : 4,215,764.88 = 815,888.16 : x
  2. Step 2: Convert to fraction form
    2,810,432.16/4,215,764.88 = 815,888.16/x
  3. Step 3: Cross multiply
    2,810,432.16x = 4,215,764.88 × 815,888.16
  4. Step 4: Simplify right side
    2,810,432.16x = 3,439,592,650,935.82
  5. Step 5: Solve for x
    x = 3,439,592,650,935.82/2,810,432.16
  6. Step 6: Final answer
    x = 1,223,866.10

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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.