Home / 4,172,081.60-6,258,122.40-1,646,436.80

Finding the Fourth Proportional to 4,172,081.60, 6,258,122.40 and 1,646,436.80

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Solution

The fourth proportional to 4,172,081.60, 6,258,122.40 and 1,646,436.80 is: 2,469,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,081.60 : 6,258,122.40 = 1,646,436.80 : x
  2. Step 2: Convert to fraction form
    4,172,081.60/6,258,122.40 = 1,646,436.80/x
  3. Step 3: Cross multiply
    4,172,081.60x = 6,258,122.40 × 1,646,436.80
  4. Step 4: Simplify right side
    4,172,081.60x = 10,303,603,018,264.32
  5. Step 5: Solve for x
    x = 10,303,603,018,264.32/4,172,081.60
  6. Step 6: Final answer
    x = 2,469,655.20

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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.