Home / 5,275,269.60-7,912,818.54-1,680,988.02

Finding the Fourth Proportional to 5,275,269.60, 7,912,818.54 and 1,680,988.02

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Solution

The fourth proportional to 5,275,269.60, 7,912,818.54 and 1,680,988.02 is: 2,521,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,269.60 : 7,912,818.54 = 1,680,988.02 : x
  2. Step 2: Convert to fraction form
    5,275,269.60/7,912,818.54 = 1,680,988.02/x
  3. Step 3: Cross multiply
    5,275,269.60x = 7,912,818.54 × 1,680,988.02
  4. Step 4: Simplify right side
    5,275,269.60x = 13,301,353,170,173.89
  5. Step 5: Solve for x
    x = 13,301,353,170,173.89/5,275,269.60
  6. Step 6: Final answer
    x = 2,521,454.67

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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.