Home / 2,077,710.80-3,116,566.20-815,579.60

Finding the Fourth Proportional to 2,077,710.80, 3,116,566.20 and 815,579.60

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Solution

The fourth proportional to 2,077,710.80, 3,116,566.20 and 815,579.60 is: 1,223,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,710.80 : 3,116,566.20 = 815,579.60 : x
  2. Step 2: Convert to fraction form
    2,077,710.80/3,116,566.20 = 815,579.60/x
  3. Step 3: Cross multiply
    2,077,710.80x = 3,116,566.20 × 815,579.60
  4. Step 4: Simplify right side
    2,077,710.80x = 2,541,807,814,769.52
  5. Step 5: Solve for x
    x = 2,541,807,814,769.52/2,077,710.80
  6. Step 6: Final answer
    x = 1,223,369.40

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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.