Home / 5,237,721.66-7,856,914.58-1,643,630.47

Finding the Fourth Proportional to 5,237,721.66, 7,856,914.58 and 1,643,630.47

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Solution

The fourth proportional to 5,237,721.66, 7,856,914.58 and 1,643,630.47 is: 2,465,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,721.66 : 7,856,914.58 = 1,643,630.47 : x
  2. Step 2: Convert to fraction form
    5,237,721.66/7,856,914.58 = 1,643,630.47/x
  3. Step 3: Cross multiply
    5,237,721.66x = 7,856,914.58 × 1,643,630.47
  4. Step 4: Simplify right side
    5,237,721.66x = 12,913,864,182,178.43
  5. Step 5: Solve for x
    x = 12,913,864,182,178.43/5,237,721.66
  6. Step 6: Final answer
    x = 2,465,549.91

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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.