Home / 1,947,885.70-2,921,828.55-527,941.78

Finding the Fourth Proportional to 1,947,885.70, 2,921,828.55 and 527,941.78

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Solution

The fourth proportional to 1,947,885.70, 2,921,828.55 and 527,941.78 is: 791,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,885.70 : 2,921,828.55 = 527,941.78 : x
  2. Step 2: Convert to fraction form
    1,947,885.70/2,921,828.55 = 527,941.78/x
  3. Step 3: Cross multiply
    1,947,885.70x = 2,921,828.55 × 527,941.78
  4. Step 4: Simplify right side
    1,947,885.70x = 1,542,555,365,541.82
  5. Step 5: Solve for x
    x = 1,542,555,365,541.82/1,947,885.70
  6. Step 6: Final answer
    x = 791,912.67

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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.