Home / 5,055,141.10-6,974,392.26-2,878,144.60

Finding the Fourth Proportional to 5,055,141.10, 6,974,392.26 and 2,878,144.60

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Solution

The fourth proportional to 5,055,141.10, 6,974,392.26 and 2,878,144.60 is: 3,970,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,141.10 : 6,974,392.26 = 2,878,144.60 : x
  2. Step 2: Convert to fraction form
    5,055,141.10/6,974,392.26 = 2,878,144.60/x
  3. Step 3: Cross multiply
    5,055,141.10x = 6,974,392.26 × 2,878,144.60
  4. Step 4: Simplify right side
    5,055,141.10x = 20,073,309,421,400.80
  5. Step 5: Solve for x
    x = 20,073,309,421,400.80/5,055,141.10
  6. Step 6: Final answer
    x = 3,970,870.25

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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.