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Finding the Fourth Proportional to 1,822,348.80, 2,733,523.20 and 875,491.20

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Solution

The fourth proportional to 1,822,348.80, 2,733,523.20 and 875,491.20 is: 1,313,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,348.80 : 2,733,523.20 = 875,491.20 : x
  2. Step 2: Convert to fraction form
    1,822,348.80/2,733,523.20 = 875,491.20/x
  3. Step 3: Cross multiply
    1,822,348.80x = 2,733,523.20 × 875,491.20
  4. Step 4: Simplify right side
    1,822,348.80x = 2,393,175,506,595.84
  5. Step 5: Solve for x
    x = 2,393,175,506,595.84/1,822,348.80
  6. Step 6: Final answer
    x = 1,313,236.80

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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.