Home / 5,454,987.50-8,182,809.30-1,668,503.18

Finding the Fourth Proportional to 5,454,987.50, 8,182,809.30 and 1,668,503.18

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Solution

The fourth proportional to 5,454,987.50, 8,182,809.30 and 1,668,503.18 is: 2,502,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454,987.50 : 8,182,809.30 = 1,668,503.18 : x
  2. Step 2: Convert to fraction form
    5,454,987.50/8,182,809.30 = 1,668,503.18/x
  3. Step 3: Cross multiply
    5,454,987.50x = 8,182,809.30 × 1,668,503.18
  4. Step 4: Simplify right side
    5,454,987.50x = 13,653,043,338,383.57
  5. Step 5: Solve for x
    x = 13,653,043,338,383.57/5,454,987.50
  6. Step 6: Final answer
    x = 2,502,855.11

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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.