Home / 1,943,461.60-2,912,452.11-917,697.46

Finding the Fourth Proportional to 1,943,461.60, 2,912,452.11 and 917,697.46

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Solution

The fourth proportional to 1,943,461.60, 2,912,452.11 and 917,697.46 is: 1,375,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,461.60 : 2,912,452.11 = 917,697.46 : x
  2. Step 2: Convert to fraction form
    1,943,461.60/2,912,452.11 = 917,697.46/x
  3. Step 3: Cross multiply
    1,943,461.60x = 2,912,452.11 × 917,697.46
  4. Step 4: Simplify right side
    1,943,461.60x = 2,672,749,903,718.64
  5. Step 5: Solve for x
    x = 2,672,749,903,718.64/1,943,461.60
  6. Step 6: Final answer
    x = 1,375,252.23

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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.