Home / 1,821,888.70-2,732,310.60-542,442.67

Finding the Fourth Proportional to 1,821,888.70, 2,732,310.60 and 542,442.67

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Solution

The fourth proportional to 1,821,888.70, 2,732,310.60 and 542,442.67 is: 813,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,888.70 : 2,732,310.60 = 542,442.67 : x
  2. Step 2: Convert to fraction form
    1,821,888.70/2,732,310.60 = 542,442.67/x
  3. Step 3: Cross multiply
    1,821,888.70x = 2,732,310.60 × 542,442.67
  4. Step 4: Simplify right side
    1,821,888.70x = 1,482,121,857,133.30
  5. Step 5: Solve for x
    x = 1,482,121,857,133.30/1,821,888.70
  6. Step 6: Final answer
    x = 813,508.45

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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.