Home / 2,098,114.32-3,135,227.47-1,575,381.78

Finding the Fourth Proportional to 2,098,114.32, 3,135,227.47 and 1,575,381.78

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Solution

The fourth proportional to 2,098,114.32, 3,135,227.47 and 1,575,381.78 is: 2,354,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,114.32 : 3,135,227.47 = 1,575,381.78 : x
  2. Step 2: Convert to fraction form
    2,098,114.32/3,135,227.47 = 1,575,381.78/x
  3. Step 3: Cross multiply
    2,098,114.32x = 3,135,227.47 × 1,575,381.78
  4. Step 4: Simplify right side
    2,098,114.32x = 4,939,180,232,393.50
  5. Step 5: Solve for x
    x = 4,939,180,232,393.50/2,098,114.32
  6. Step 6: Final answer
    x = 2,354,104.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.