Home / 2,148,033.20-3,218,363.40-1,023,681.20

Finding the Fourth Proportional to 2,148,033.20, 3,218,363.40 and 1,023,681.20

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Solution

The fourth proportional to 2,148,033.20, 3,218,363.40 and 1,023,681.20 is: 1,533,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,033.20 : 3,218,363.40 = 1,023,681.20 : x
  2. Step 2: Convert to fraction form
    2,148,033.20/3,218,363.40 = 1,023,681.20/x
  3. Step 3: Cross multiply
    2,148,033.20x = 3,218,363.40 × 1,023,681.20
  4. Step 4: Simplify right side
    2,148,033.20x = 3,294,578,107,348.08
  5. Step 5: Solve for x
    x = 3,294,578,107,348.08/2,148,033.20
  6. Step 6: Final answer
    x = 1,533,764.98

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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.