Home / 2,155,996.80-3,234,004.80-558,446.40

Finding the Fourth Proportional to 2,155,996.80, 3,234,004.80 and 558,446.40

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Solution

The fourth proportional to 2,155,996.80, 3,234,004.80 and 558,446.40 is: 837,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,996.80 : 3,234,004.80 = 558,446.40 : x
  2. Step 2: Convert to fraction form
    2,155,996.80/3,234,004.80 = 558,446.40/x
  3. Step 3: Cross multiply
    2,155,996.80x = 3,234,004.80 × 558,446.40
  4. Step 4: Simplify right side
    2,155,996.80x = 1,806,018,338,142.72
  5. Step 5: Solve for x
    x = 1,806,018,338,142.72/2,155,996.80
  6. Step 6: Final answer
    x = 837,672.09

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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.