Home / 2,127,206.40-3,192,883.20-1,063,449.60

Finding the Fourth Proportional to 2,127,206.40, 3,192,883.20 and 1,063,449.60

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Solution

The fourth proportional to 2,127,206.40, 3,192,883.20 and 1,063,449.60 is: 1,596,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,206.40 : 3,192,883.20 = 1,063,449.60 : x
  2. Step 2: Convert to fraction form
    2,127,206.40/3,192,883.20 = 1,063,449.60/x
  3. Step 3: Cross multiply
    2,127,206.40x = 3,192,883.20 × 1,063,449.60
  4. Step 4: Simplify right side
    2,127,206.40x = 3,395,470,361,886.72
  5. Step 5: Solve for x
    x = 3,395,470,361,886.72/2,127,206.40
  6. Step 6: Final answer
    x = 1,596,211.05

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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.