Home / 1,819,683.72-2,731,890.78-1,399,254.76

Finding the Fourth Proportional to 1,819,683.72, 2,731,890.78 and 1,399,254.76

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Solution

The fourth proportional to 1,819,683.72, 2,731,890.78 and 1,399,254.76 is: 2,100,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,683.72 : 2,731,890.78 = 1,399,254.76 : x
  2. Step 2: Convert to fraction form
    1,819,683.72/2,731,890.78 = 1,399,254.76/x
  3. Step 3: Cross multiply
    1,819,683.72x = 2,731,890.78 × 1,399,254.76
  4. Step 4: Simplify right side
    1,819,683.72x = 3,822,611,177,715.11
  5. Step 5: Solve for x
    x = 3,822,611,177,715.11/1,819,683.72
  6. Step 6: Final answer
    x = 2,100,700.87

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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.