Home / 2,077,136.80-3,113,372.40-878,855.20

Finding the Fourth Proportional to 2,077,136.80, 3,113,372.40 and 878,855.20

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Solution

The fourth proportional to 2,077,136.80, 3,113,372.40 and 878,855.20 is: 1,317,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,136.80 : 3,113,372.40 = 878,855.20 : x
  2. Step 2: Convert to fraction form
    2,077,136.80/3,113,372.40 = 878,855.20/x
  3. Step 3: Cross multiply
    2,077,136.80x = 3,113,372.40 × 878,855.20
  4. Step 4: Simplify right side
    2,077,136.80x = 2,736,203,523,276.48
  5. Step 5: Solve for x
    x = 2,736,203,523,276.48/2,077,136.80
  6. Step 6: Final answer
    x = 1,317,295.77

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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.