Home / 2,219,862.60-3,329,793.90-1,889,188.20

Finding the Fourth Proportional to 2,219,862.60, 3,329,793.90 and 1,889,188.20

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Solution

The fourth proportional to 2,219,862.60, 3,329,793.90 and 1,889,188.20 is: 2,833,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,862.60 : 3,329,793.90 = 1,889,188.20 : x
  2. Step 2: Convert to fraction form
    2,219,862.60/3,329,793.90 = 1,889,188.20/x
  3. Step 3: Cross multiply
    2,219,862.60x = 3,329,793.90 × 1,889,188.20
  4. Step 4: Simplify right side
    2,219,862.60x = 6,290,607,344,311.98
  5. Step 5: Solve for x
    x = 6,290,607,344,311.98/2,219,862.60
  6. Step 6: Final answer
    x = 2,833,782.30

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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.