Home / 3,604,972.20-5,407,043.12-909,321.80

Finding the Fourth Proportional to 3,604,972.20, 5,407,043.12 and 909,321.80

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Solution

The fourth proportional to 3,604,972.20, 5,407,043.12 and 909,321.80 is: 1,363,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,972.20 : 5,407,043.12 = 909,321.80 : x
  2. Step 2: Convert to fraction form
    3,604,972.20/5,407,043.12 = 909,321.80/x
  3. Step 3: Cross multiply
    3,604,972.20x = 5,407,043.12 × 909,321.80
  4. Step 4: Simplify right side
    3,604,972.20x = 4,916,742,154,384.15
  5. Step 5: Solve for x
    x = 4,916,742,154,384.15/3,604,972.20
  6. Step 6: Final answer
    x = 1,363,877.96

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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.