Home / 5,055,152.60-6,974,408.12-2,878,156.10

Finding the Fourth Proportional to 5,055,152.60, 6,974,408.12 and 2,878,156.10

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Solution

The fourth proportional to 5,055,152.60, 6,974,408.12 and 2,878,156.10 is: 3,970,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,152.60 : 6,974,408.12 = 2,878,156.10 : x
  2. Step 2: Convert to fraction form
    5,055,152.60/6,974,408.12 = 2,878,156.10/x
  3. Step 3: Cross multiply
    5,055,152.60x = 6,974,408.12 × 2,878,156.10
  4. Step 4: Simplify right side
    5,055,152.60x = 20,073,435,274,467.53
  5. Step 5: Solve for x
    x = 20,073,435,274,467.53/5,055,152.60
  6. Step 6: Final answer
    x = 3,970,886.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.