Home / 2,972,621.28-4,458,931.88-842,723.88

Finding the Fourth Proportional to 2,972,621.28, 4,458,931.88 and 842,723.88

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Solution

The fourth proportional to 2,972,621.28, 4,458,931.88 and 842,723.88 is: 1,264,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,621.28 : 4,458,931.88 = 842,723.88 : x
  2. Step 2: Convert to fraction form
    2,972,621.28/4,458,931.88 = 842,723.88/x
  3. Step 3: Cross multiply
    2,972,621.28x = 4,458,931.88 × 842,723.88
  4. Step 4: Simplify right side
    2,972,621.28x = 3,757,648,374,569.29
  5. Step 5: Solve for x
    x = 3,757,648,374,569.29/2,972,621.28
  6. Step 6: Final answer
    x = 1,264,085.81

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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.