Home / 5,173,138.61-7,139,488.13-2,850,264.65

Finding the Fourth Proportional to 5,173,138.61, 7,139,488.13 and 2,850,264.65

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Solution

The fourth proportional to 5,173,138.61, 7,139,488.13 and 2,850,264.65 is: 3,933,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,138.61 : 7,139,488.13 = 2,850,264.65 : x
  2. Step 2: Convert to fraction form
    5,173,138.61/7,139,488.13 = 2,850,264.65/x
  3. Step 3: Cross multiply
    5,173,138.61x = 7,139,488.13 × 2,850,264.65
  4. Step 4: Simplify right side
    5,173,138.61x = 20,349,430,650,319.49
  5. Step 5: Solve for x
    x = 20,349,430,650,319.49/5,173,138.61
  6. Step 6: Final answer
    x = 3,933,672.03

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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.