Home / 4,815,471.36-6,645,348.88-2,639,967.86

Finding the Fourth Proportional to 4,815,471.36, 6,645,348.88 and 2,639,967.86

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Solution

The fourth proportional to 4,815,471.36, 6,645,348.88 and 2,639,967.86 is: 3,643,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,471.36 : 6,645,348.88 = 2,639,967.86 : x
  2. Step 2: Convert to fraction form
    4,815,471.36/6,645,348.88 = 2,639,967.86/x
  3. Step 3: Cross multiply
    4,815,471.36x = 6,645,348.88 × 2,639,967.86
  4. Step 4: Simplify right side
    4,815,471.36x = 17,543,507,471,700.45
  5. Step 5: Solve for x
    x = 17,543,507,471,700.45/4,815,471.36
  6. Step 6: Final answer
    x = 3,643,154.77

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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.