Home / 1,948,666.20-2,921,444.10-825,811.80

Finding the Fourth Proportional to 1,948,666.20, 2,921,444.10 and 825,811.80

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Solution

The fourth proportional to 1,948,666.20, 2,921,444.10 and 825,811.80 is: 1,238,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,666.20 : 2,921,444.10 = 825,811.80 : x
  2. Step 2: Convert to fraction form
    1,948,666.20/2,921,444.10 = 825,811.80/x
  3. Step 3: Cross multiply
    1,948,666.20x = 2,921,444.10 × 825,811.80
  4. Step 4: Simplify right side
    1,948,666.20x = 2,412,563,010,820.38
  5. Step 5: Solve for x
    x = 2,412,563,010,820.38/1,948,666.20
  6. Step 6: Final answer
    x = 1,238,058.63

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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.