Home / 2,485,985.87-3,729,058.98-688,886.66

Finding the Fourth Proportional to 2,485,985.87, 3,729,058.98 and 688,886.66

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Solution

The fourth proportional to 2,485,985.87, 3,729,058.98 and 688,886.66 is: 1,033,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,985.87 : 3,729,058.98 = 688,886.66 : x
  2. Step 2: Convert to fraction form
    2,485,985.87/3,729,058.98 = 688,886.66/x
  3. Step 3: Cross multiply
    2,485,985.87x = 3,729,058.98 × 688,886.66
  4. Step 4: Simplify right side
    2,485,985.87x = 2,568,898,967,029.91
  5. Step 5: Solve for x
    x = 2,568,898,967,029.91/2,485,985.87
  6. Step 6: Final answer
    x = 1,033,352.20

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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.