Home / 2,087,281.11-3,129,783.45-628,114.95

Finding the Fourth Proportional to 2,087,281.11, 3,129,783.45 and 628,114.95

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Solution

The fourth proportional to 2,087,281.11, 3,129,783.45 and 628,114.95 is: 941,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,281.11 : 3,129,783.45 = 628,114.95 : x
  2. Step 2: Convert to fraction form
    2,087,281.11/3,129,783.45 = 628,114.95/x
  3. Step 3: Cross multiply
    2,087,281.11x = 3,129,783.45 × 628,114.95
  4. Step 4: Simplify right side
    2,087,281.11x = 1,965,863,775,207.58
  5. Step 5: Solve for x
    x = 1,965,863,775,207.58/2,087,281.11
  6. Step 6: Final answer
    x = 941,829.91

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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.