Home / 5,471,391.67-8,207,254.72-1,877,108.20

Finding the Fourth Proportional to 5,471,391.67, 8,207,254.72 and 1,877,108.20

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Solution

The fourth proportional to 5,471,391.67, 8,207,254.72 and 1,877,108.20 is: 2,815,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,391.67 : 8,207,254.72 = 1,877,108.20 : x
  2. Step 2: Convert to fraction form
    5,471,391.67/8,207,254.72 = 1,877,108.20/x
  3. Step 3: Cross multiply
    5,471,391.67x = 8,207,254.72 × 1,877,108.20
  4. Step 4: Simplify right side
    5,471,391.67x = 15,405,905,134,400.70
  5. Step 5: Solve for x
    x = 15,405,905,134,400.70/5,471,391.67
  6. Step 6: Final answer
    x = 2,815,719.67

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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.