Home / 2,119,669.68-3,180,354-771,926.04

Finding the Fourth Proportional to 2,119,669.68, 3,180,354 and 771,926.04

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Solution

The fourth proportional to 2,119,669.68, 3,180,354 and 771,926.04 is: 1,158,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,669.68 : 3,180,354 = 771,926.04 : x
  2. Step 2: Convert to fraction form
    2,119,669.68/3,180,354 = 771,926.04/x
  3. Step 3: Cross multiply
    2,119,669.68x = 3,180,354 × 771,926.04
  4. Step 4: Simplify right side
    2,119,669.68x = 2,454,998,069,018.16
  5. Step 5: Solve for x
    x = 2,454,998,069,018.16/2,119,669.68
  6. Step 6: Final answer
    x = 1,158,198.42

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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.