Home / 1,879,680.42-2,820,127.82-869,465.04

Finding the Fourth Proportional to 1,879,680.42, 2,820,127.82 and 869,465.04

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Solution

The fourth proportional to 1,879,680.42, 2,820,127.82 and 869,465.04 is: 1,304,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,680.42 : 2,820,127.82 = 869,465.04 : x
  2. Step 2: Convert to fraction form
    1,879,680.42/2,820,127.82 = 869,465.04/x
  3. Step 3: Cross multiply
    1,879,680.42x = 2,820,127.82 × 869,465.04
  4. Step 4: Simplify right side
    1,879,680.42x = 2,452,002,547,821.41
  5. Step 5: Solve for x
    x = 2,452,002,547,821.41/1,879,680.42
  6. Step 6: Final answer
    x = 1,304,478.42

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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.