Home / 5,913,921.60-8,870,882.40-2,126,912.40

Finding the Fourth Proportional to 5,913,921.60, 8,870,882.40 and 2,126,912.40

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Solution

The fourth proportional to 5,913,921.60, 8,870,882.40 and 2,126,912.40 is: 3,190,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,921.60 : 8,870,882.40 = 2,126,912.40 : x
  2. Step 2: Convert to fraction form
    5,913,921.60/8,870,882.40 = 2,126,912.40/x
  3. Step 3: Cross multiply
    5,913,921.60x = 8,870,882.40 × 2,126,912.40
  4. Step 4: Simplify right side
    5,913,921.60x = 18,867,589,775,501.76
  5. Step 5: Solve for x
    x = 18,867,589,775,501.76/5,913,921.60
  6. Step 6: Final answer
    x = 3,190,368.60

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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.