Home / 1,931,780.62-2,897,014.83-669,313.54

Finding the Fourth Proportional to 1,931,780.62, 2,897,014.83 and 669,313.54

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Solution

The fourth proportional to 1,931,780.62, 2,897,014.83 and 669,313.54 is: 1,003,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,780.62 : 2,897,014.83 = 669,313.54 : x
  2. Step 2: Convert to fraction form
    1,931,780.62/2,897,014.83 = 669,313.54/x
  3. Step 3: Cross multiply
    1,931,780.62x = 2,897,014.83 × 669,313.54
  4. Step 4: Simplify right side
    1,931,780.62x = 1,939,011,251,299.80
  5. Step 5: Solve for x
    x = 1,939,011,251,299.80/1,931,780.62
  6. Step 6: Final answer
    x = 1,003,742.99

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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.