Home / 2,148,526.40-3,218,901.60-1,024,116.80

Finding the Fourth Proportional to 2,148,526.40, 3,218,901.60 and 1,024,116.80

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Solution

The fourth proportional to 2,148,526.40, 3,218,901.60 and 1,024,116.80 is: 1,534,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,526.40 : 3,218,901.60 = 1,024,116.80 : x
  2. Step 2: Convert to fraction form
    2,148,526.40/3,218,901.60 = 1,024,116.80/x
  3. Step 3: Cross multiply
    2,148,526.40x = 3,218,901.60 × 1,024,116.80
  4. Step 4: Simplify right side
    2,148,526.40x = 3,296,531,206,106.88
  5. Step 5: Solve for x
    x = 3,296,531,206,106.88/2,148,526.40
  6. Step 6: Final answer
    x = 1,534,321.95

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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.