Home / 2,588,798.70-3,884,947.53-905,916.78

Finding the Fourth Proportional to 2,588,798.70, 3,884,947.53 and 905,916.78

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Solution

The fourth proportional to 2,588,798.70, 3,884,947.53 and 905,916.78 is: 1,359,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,798.70 : 3,884,947.53 = 905,916.78 : x
  2. Step 2: Convert to fraction form
    2,588,798.70/3,884,947.53 = 905,916.78/x
  3. Step 3: Cross multiply
    2,588,798.70x = 3,884,947.53 × 905,916.78
  4. Step 4: Simplify right side
    2,588,798.70x = 3,519,439,156,846.55
  5. Step 5: Solve for x
    x = 3,519,439,156,846.55/2,588,798.70
  6. Step 6: Final answer
    x = 1,359,487.38

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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.