Home / 3,921,330.90-5,882,001.21-1,225,669.95

Finding the Fourth Proportional to 3,921,330.90, 5,882,001.21 and 1,225,669.95

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Solution

The fourth proportional to 3,921,330.90, 5,882,001.21 and 1,225,669.95 is: 1,838,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,330.90 : 5,882,001.21 = 1,225,669.95 : x
  2. Step 2: Convert to fraction form
    3,921,330.90/5,882,001.21 = 1,225,669.95/x
  3. Step 3: Cross multiply
    3,921,330.90x = 5,882,001.21 × 1,225,669.95
  4. Step 4: Simplify right side
    3,921,330.90x = 7,209,392,128,960.64
  5. Step 5: Solve for x
    x = 7,209,392,128,960.64/3,921,330.90
  6. Step 6: Final answer
    x = 1,838,506.44

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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.