Home / 5,428,730.95-7,491,621.49-2,947,929.46

Finding the Fourth Proportional to 5,428,730.95, 7,491,621.49 and 2,947,929.46

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Solution

The fourth proportional to 5,428,730.95, 7,491,621.49 and 2,947,929.46 is: 4,068,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,730.95 : 7,491,621.49 = 2,947,929.46 : x
  2. Step 2: Convert to fraction form
    5,428,730.95/7,491,621.49 = 2,947,929.46/x
  3. Step 3: Cross multiply
    5,428,730.95x = 7,491,621.49 × 2,947,929.46
  4. Step 4: Simplify right side
    5,428,730.95x = 22,084,771,667,441.22
  5. Step 5: Solve for x
    x = 22,084,771,667,441.22/5,428,730.95
  6. Step 6: Final answer
    x = 4,068,127.87

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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.