Home / 2,782,024.60-4,172,000.10-1,938,069.40

Finding the Fourth Proportional to 2,782,024.60, 4,172,000.10 and 1,938,069.40

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Solution

The fourth proportional to 2,782,024.60, 4,172,000.10 and 1,938,069.40 is: 2,906,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,024.60 : 4,172,000.10 = 1,938,069.40 : x
  2. Step 2: Convert to fraction form
    2,782,024.60/4,172,000.10 = 1,938,069.40/x
  3. Step 3: Cross multiply
    2,782,024.60x = 4,172,000.10 × 1,938,069.40
  4. Step 4: Simplify right side
    2,782,024.60x = 8,085,625,730,606.94
  5. Step 5: Solve for x
    x = 8,085,625,730,606.94/2,782,024.60
  6. Step 6: Final answer
    x = 2,906,381.82

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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.