Home / 3,179,720.80-4,767,939.60-935,567.20

Finding the Fourth Proportional to 3,179,720.80, 4,767,939.60 and 935,567.20

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Solution

The fourth proportional to 3,179,720.80, 4,767,939.60 and 935,567.20 is: 1,402,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,720.80 : 4,767,939.60 = 935,567.20 : x
  2. Step 2: Convert to fraction form
    3,179,720.80/4,767,939.60 = 935,567.20/x
  3. Step 3: Cross multiply
    3,179,720.80x = 4,767,939.60 × 935,567.20
  4. Step 4: Simplify right side
    3,179,720.80x = 4,460,727,901,341.12
  5. Step 5: Solve for x
    x = 4,460,727,901,341.12/3,179,720.80
  6. Step 6: Final answer
    x = 1,402,867.79

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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.