Home / 3,872,138.71-5,807,576.80-1,139,046.93

Finding the Fourth Proportional to 3,872,138.71, 5,807,576.80 and 1,139,046.93

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Solution

The fourth proportional to 3,872,138.71, 5,807,576.80 and 1,139,046.93 is: 1,708,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,138.71 : 5,807,576.80 = 1,139,046.93 : x
  2. Step 2: Convert to fraction form
    3,872,138.71/5,807,576.80 = 1,139,046.93/x
  3. Step 3: Cross multiply
    3,872,138.71x = 5,807,576.80 × 1,139,046.93
  4. Step 4: Simplify right side
    3,872,138.71x = 6,615,102,536,129.70
  5. Step 5: Solve for x
    x = 6,615,102,536,129.70/3,872,138.71
  6. Step 6: Final answer
    x = 1,708,384.70

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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.