Home / 4,680,001.60-7,016,503.20-1,982,118.40

Finding the Fourth Proportional to 4,680,001.60, 7,016,503.20 and 1,982,118.40

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Solution

The fourth proportional to 4,680,001.60, 7,016,503.20 and 1,982,118.40 is: 2,971,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,001.60 : 7,016,503.20 = 1,982,118.40 : x
  2. Step 2: Convert to fraction form
    4,680,001.60/7,016,503.20 = 1,982,118.40/x
  3. Step 3: Cross multiply
    4,680,001.60x = 7,016,503.20 × 1,982,118.40
  4. Step 4: Simplify right side
    4,680,001.60x = 13,907,540,096,378.88
  5. Step 5: Solve for x
    x = 13,907,540,096,378.88/4,680,001.60
  6. Step 6: Final answer
    x = 2,971,695.59

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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.