Home / 2,151,428.85-3,226,390.92-634,708.98

Finding the Fourth Proportional to 2,151,428.85, 3,226,390.92 and 634,708.98

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Solution

The fourth proportional to 2,151,428.85, 3,226,390.92 and 634,708.98 is: 951,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,428.85 : 3,226,390.92 = 634,708.98 : x
  2. Step 2: Convert to fraction form
    2,151,428.85/3,226,390.92 = 634,708.98/x
  3. Step 3: Cross multiply
    2,151,428.85x = 3,226,390.92 × 634,708.98
  4. Step 4: Simplify right side
    2,151,428.85x = 2,047,819,289,914.46
  5. Step 5: Solve for x
    x = 2,047,819,289,914.46/2,151,428.85
  6. Step 6: Final answer
    x = 951,841.51

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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.