Home / 2,098,113.32-3,135,225.98-1,575,380.78

Finding the Fourth Proportional to 2,098,113.32, 3,135,225.98 and 1,575,380.78

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Solution

The fourth proportional to 2,098,113.32, 3,135,225.98 and 1,575,380.78 is: 2,354,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,113.32 : 3,135,225.98 = 1,575,380.78 : x
  2. Step 2: Convert to fraction form
    2,098,113.32/3,135,225.98 = 1,575,380.78/x
  3. Step 3: Cross multiply
    2,098,113.32x = 3,135,225.98 × 1,575,380.78
  4. Step 4: Simplify right side
    2,098,113.32x = 4,939,174,749,848.66
  5. Step 5: Solve for x
    x = 4,939,174,749,848.66/2,098,113.32
  6. Step 6: Final answer
    x = 2,354,102.95

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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.