Home / 2,087,622.88-3,131,417.76-1,240,564.96

Finding the Fourth Proportional to 2,087,622.88, 3,131,417.76 and 1,240,564.96

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Solution

The fourth proportional to 2,087,622.88, 3,131,417.76 and 1,240,564.96 is: 1,860,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,622.88 : 3,131,417.76 = 1,240,564.96 : x
  2. Step 2: Convert to fraction form
    2,087,622.88/3,131,417.76 = 1,240,564.96/x
  3. Step 3: Cross multiply
    2,087,622.88x = 3,131,417.76 × 1,240,564.96
  4. Step 4: Simplify right side
    2,087,622.88x = 3,884,727,148,177.69
  5. Step 5: Solve for x
    x = 3,884,727,148,177.69/2,087,622.88
  6. Step 6: Final answer
    x = 1,860,837.60

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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.