Home / 2,891,821.80-4,336,955.10-870,061.80

Finding the Fourth Proportional to 2,891,821.80, 4,336,955.10 and 870,061.80

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Solution

The fourth proportional to 2,891,821.80, 4,336,955.10 and 870,061.80 is: 1,304,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,821.80 : 4,336,955.10 = 870,061.80 : x
  2. Step 2: Convert to fraction form
    2,891,821.80/4,336,955.10 = 870,061.80/x
  3. Step 3: Cross multiply
    2,891,821.80x = 4,336,955.10 × 870,061.80
  4. Step 4: Simplify right side
    2,891,821.80x = 3,773,418,960,825.18
  5. Step 5: Solve for x
    x = 3,773,418,960,825.18/2,891,821.80
  6. Step 6: Final answer
    x = 1,304,858.74

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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.