Home / 2,787,384.60-4,180,040.10-1,104,139.80

Finding the Fourth Proportional to 2,787,384.60, 4,180,040.10 and 1,104,139.80

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Solution

The fourth proportional to 2,787,384.60, 4,180,040.10 and 1,104,139.80 is: 1,655,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,384.60 : 4,180,040.10 = 1,104,139.80 : x
  2. Step 2: Convert to fraction form
    2,787,384.60/4,180,040.10 = 1,104,139.80/x
  3. Step 3: Cross multiply
    2,787,384.60x = 4,180,040.10 × 1,104,139.80
  4. Step 4: Simplify right side
    2,787,384.60x = 4,615,348,640,005.98
  5. Step 5: Solve for x
    x = 4,615,348,640,005.98/2,787,384.60
  6. Step 6: Final answer
    x = 1,655,799.00

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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.