Home / 2,781,857.36-4,173,385.24-862,729.83

Finding the Fourth Proportional to 2,781,857.36, 4,173,385.24 and 862,729.83

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Solution

The fourth proportional to 2,781,857.36, 4,173,385.24 and 862,729.83 is: 1,294,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,857.36 : 4,173,385.24 = 862,729.83 : x
  2. Step 2: Convert to fraction form
    2,781,857.36/4,173,385.24 = 862,729.83/x
  3. Step 3: Cross multiply
    2,781,857.36x = 4,173,385.24 × 862,729.83
  4. Step 4: Simplify right side
    2,781,857.36x = 3,600,503,938,629.71
  5. Step 5: Solve for x
    x = 3,600,503,938,629.71/2,781,857.36
  6. Step 6: Final answer
    x = 1,294,280.57

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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.