Home / 2,810,585.43-4,215,247.70-1,292,810.76

Finding the Fourth Proportional to 2,810,585.43, 4,215,247.70 and 1,292,810.76

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Solution

The fourth proportional to 2,810,585.43, 4,215,247.70 and 1,292,810.76 is: 1,938,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,585.43 : 4,215,247.70 = 1,292,810.76 : x
  2. Step 2: Convert to fraction form
    2,810,585.43/4,215,247.70 = 1,292,810.76/x
  3. Step 3: Cross multiply
    2,810,585.43x = 4,215,247.70 × 1,292,810.76
  4. Step 4: Simplify right side
    2,810,585.43x = 5,449,517,576,161.20
  5. Step 5: Solve for x
    x = 5,449,517,576,161.20/2,810,585.43
  6. Step 6: Final answer
    x = 1,938,926.15

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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.