Home / 2,205,145.20-3,307,717.80-709,388.40

Finding the Fourth Proportional to 2,205,145.20, 3,307,717.80 and 709,388.40

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Solution

The fourth proportional to 2,205,145.20, 3,307,717.80 and 709,388.40 is: 1,064,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,145.20 : 3,307,717.80 = 709,388.40 : x
  2. Step 2: Convert to fraction form
    2,205,145.20/3,307,717.80 = 709,388.40/x
  3. Step 3: Cross multiply
    2,205,145.20x = 3,307,717.80 × 709,388.40
  4. Step 4: Simplify right side
    2,205,145.20x = 2,346,456,637,793.52
  5. Step 5: Solve for x
    x = 2,346,456,637,793.52/2,205,145.20
  6. Step 6: Final answer
    x = 1,064,082.60

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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.