Home / 3,139,437.20-4,331,098.44-1,975,820.36

Finding the Fourth Proportional to 3,139,437.20, 4,331,098.44 and 1,975,820.36

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Solution

The fourth proportional to 3,139,437.20, 4,331,098.44 and 1,975,820.36 is: 2,725,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,437.20 : 4,331,098.44 = 1,975,820.36 : x
  2. Step 2: Convert to fraction form
    3,139,437.20/4,331,098.44 = 1,975,820.36/x
  3. Step 3: Cross multiply
    3,139,437.20x = 4,331,098.44 × 1,975,820.36
  4. Step 4: Simplify right side
    3,139,437.20x = 8,557,472,478,916.24
  5. Step 5: Solve for x
    x = 8,557,472,478,916.24/3,139,437.20
  6. Step 6: Final answer
    x = 2,725,798.27

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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.