Home / 2,897,387.80-4,345,887.30-767,426.20

Finding the Fourth Proportional to 2,897,387.80, 4,345,887.30 and 767,426.20

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Solution

The fourth proportional to 2,897,387.80, 4,345,887.30 and 767,426.20 is: 1,151,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,387.80 : 4,345,887.30 = 767,426.20 : x
  2. Step 2: Convert to fraction form
    2,897,387.80/4,345,887.30 = 767,426.20/x
  3. Step 3: Cross multiply
    2,897,387.80x = 4,345,887.30 × 767,426.20
  4. Step 4: Simplify right side
    2,897,387.80x = 3,335,147,776,267.26
  5. Step 5: Solve for x
    x = 3,335,147,776,267.26/2,897,387.80
  6. Step 6: Final answer
    x = 1,151,087.81

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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.