Home / 2,186,788.20-3,280,643.10-923,965.80

Finding the Fourth Proportional to 2,186,788.20, 3,280,643.10 and 923,965.80

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Solution

The fourth proportional to 2,186,788.20, 3,280,643.10 and 923,965.80 is: 1,386,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,788.20 : 3,280,643.10 = 923,965.80 : x
  2. Step 2: Convert to fraction form
    2,186,788.20/3,280,643.10 = 923,965.80/x
  3. Step 3: Cross multiply
    2,186,788.20x = 3,280,643.10 × 923,965.80
  4. Step 4: Simplify right side
    2,186,788.20x = 3,031,202,026,405.98
  5. Step 5: Solve for x
    x = 3,031,202,026,405.98/2,186,788.20
  6. Step 6: Final answer
    x = 1,386,143.40

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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.