Home / 7,210,587.46-10,815,598.50-1,819,170.76

Finding the Fourth Proportional to 7,210,587.46, 10,815,598.50 and 1,819,170.76

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Solution

The fourth proportional to 7,210,587.46, 10,815,598.50 and 1,819,170.76 is: 2,728,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,587.46 : 10,815,598.50 = 1,819,170.76 : x
  2. Step 2: Convert to fraction form
    7,210,587.46/10,815,598.50 = 1,819,170.76/x
  3. Step 3: Cross multiply
    7,210,587.46x = 10,815,598.50 × 1,819,170.76
  4. Step 4: Simplify right side
    7,210,587.46x = 19,675,420,543,099.86
  5. Step 5: Solve for x
    x = 19,675,420,543,099.86/7,210,587.46
  6. Step 6: Final answer
    x = 2,728,684.82

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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.