Home / 2,077,903.20-3,116,206.80-816,117.60

Finding the Fourth Proportional to 2,077,903.20, 3,116,206.80 and 816,117.60

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Solution

The fourth proportional to 2,077,903.20, 3,116,206.80 and 816,117.60 is: 1,223,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,903.20 : 3,116,206.80 = 816,117.60 : x
  2. Step 2: Convert to fraction form
    2,077,903.20/3,116,206.80 = 816,117.60/x
  3. Step 3: Cross multiply
    2,077,903.20x = 3,116,206.80 × 816,117.60
  4. Step 4: Simplify right side
    2,077,903.20x = 2,543,191,214,719.68
  5. Step 5: Solve for x
    x = 2,543,191,214,719.68/2,077,903.20
  6. Step 6: Final answer
    x = 1,223,921.89

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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.