Home / 2,415,139.52-3,622,487.16-817,520

Finding the Fourth Proportional to 2,415,139.52, 3,622,487.16 and 817,520

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Solution

The fourth proportional to 2,415,139.52, 3,622,487.16 and 817,520 is: 1,226,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,139.52 : 3,622,487.16 = 817,520 : x
  2. Step 2: Convert to fraction form
    2,415,139.52/3,622,487.16 = 817,520/x
  3. Step 3: Cross multiply
    2,415,139.52x = 3,622,487.16 × 817,520
  4. Step 4: Simplify right side
    2,415,139.52x = 2,961,455,703,043.20
  5. Step 5: Solve for x
    x = 2,961,455,703,043.20/2,415,139.52
  6. Step 6: Final answer
    x = 1,226,204.81

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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.