Home / 2,572,065.56-3,857,310.40-1,778,447

Finding the Fourth Proportional to 2,572,065.56, 3,857,310.40 and 1,778,447

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Solution

The fourth proportional to 2,572,065.56, 3,857,310.40 and 1,778,447 is: 2,667,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,065.56 : 3,857,310.40 = 1,778,447 : x
  2. Step 2: Convert to fraction form
    2,572,065.56/3,857,310.40 = 1,778,447/x
  3. Step 3: Cross multiply
    2,572,065.56x = 3,857,310.40 × 1,778,447
  4. Step 4: Simplify right side
    2,572,065.56x = 6,860,022,108,948.80
  5. Step 5: Solve for x
    x = 6,860,022,108,948.80/2,572,065.56
  6. Step 6: Final answer
    x = 2,667,125.68

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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.