Home / 3,129,362.95-4,694,718.78-970,344.64

Finding the Fourth Proportional to 3,129,362.95, 4,694,718.78 and 970,344.64

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Solution

The fourth proportional to 3,129,362.95, 4,694,718.78 and 970,344.64 is: 1,455,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,362.95 : 4,694,718.78 = 970,344.64 : x
  2. Step 2: Convert to fraction form
    3,129,362.95/4,694,718.78 = 970,344.64/x
  3. Step 3: Cross multiply
    3,129,362.95x = 4,694,718.78 × 970,344.64
  4. Step 4: Simplify right side
    3,129,362.95x = 4,555,495,214,862.36
  5. Step 5: Solve for x
    x = 4,555,495,214,862.36/3,129,362.95
  6. Step 6: Final answer
    x = 1,455,726.06

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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.