Home / 3,852,756.30-5,780,862.45-1,330,221.90

Finding the Fourth Proportional to 3,852,756.30, 5,780,862.45 and 1,330,221.90

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Solution

The fourth proportional to 3,852,756.30, 5,780,862.45 and 1,330,221.90 is: 1,995,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,756.30 : 5,780,862.45 = 1,330,221.90 : x
  2. Step 2: Convert to fraction form
    3,852,756.30/5,780,862.45 = 1,330,221.90/x
  3. Step 3: Cross multiply
    3,852,756.30x = 5,780,862.45 × 1,330,221.90
  4. Step 4: Simplify right side
    3,852,756.30x = 7,689,829,831,877.65
  5. Step 5: Solve for x
    x = 7,689,829,831,877.65/3,852,756.30
  6. Step 6: Final answer
    x = 1,995,929.47

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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.