Home / 2,019,320.80-3,028,981.20-739,925.80

Finding the Fourth Proportional to 2,019,320.80, 3,028,981.20 and 739,925.80

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Solution

The fourth proportional to 2,019,320.80, 3,028,981.20 and 739,925.80 is: 1,109,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,320.80 : 3,028,981.20 = 739,925.80 : x
  2. Step 2: Convert to fraction form
    2,019,320.80/3,028,981.20 = 739,925.80/x
  3. Step 3: Cross multiply
    2,019,320.80x = 3,028,981.20 × 739,925.80
  4. Step 4: Simplify right side
    2,019,320.80x = 2,241,221,337,594.96
  5. Step 5: Solve for x
    x = 2,241,221,337,594.96/2,019,320.80
  6. Step 6: Final answer
    x = 1,109,888.70

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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.