Home / 2,782,237.76-4,173,559.54-862,905.29

Finding the Fourth Proportional to 2,782,237.76, 4,173,559.54 and 862,905.29

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Solution

The fourth proportional to 2,782,237.76, 4,173,559.54 and 862,905.29 is: 1,294,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,237.76 : 4,173,559.54 = 862,905.29 : x
  2. Step 2: Convert to fraction form
    2,782,237.76/4,173,559.54 = 862,905.29/x
  3. Step 3: Cross multiply
    2,782,237.76x = 4,173,559.54 × 862,905.29
  4. Step 4: Simplify right side
    2,782,237.76x = 3,601,386,613,472.60
  5. Step 5: Solve for x
    x = 3,601,386,613,472.60/2,782,237.76
  6. Step 6: Final answer
    x = 1,294,420.87

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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.