Home / 2,380,377.20-3,571,090.72-782,875.76

Finding the Fourth Proportional to 2,380,377.20, 3,571,090.72 and 782,875.76

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Solution

The fourth proportional to 2,380,377.20, 3,571,090.72 and 782,875.76 is: 1,174,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,377.20 : 3,571,090.72 = 782,875.76 : x
  2. Step 2: Convert to fraction form
    2,380,377.20/3,571,090.72 = 782,875.76/x
  3. Step 3: Cross multiply
    2,380,377.20x = 3,571,090.72 × 782,875.76
  4. Step 4: Simplify right side
    2,380,377.20x = 2,795,720,361,448.95
  5. Step 5: Solve for x
    x = 2,795,720,361,448.95/2,380,377.20
  6. Step 6: Final answer
    x = 1,174,486.28

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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.