Home / 2,085,809.10-3,128,713.65-823,472.70

Finding the Fourth Proportional to 2,085,809.10, 3,128,713.65 and 823,472.70

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Solution

The fourth proportional to 2,085,809.10, 3,128,713.65 and 823,472.70 is: 1,235,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,809.10 : 3,128,713.65 = 823,472.70 : x
  2. Step 2: Convert to fraction form
    2,085,809.10/3,128,713.65 = 823,472.70/x
  3. Step 3: Cross multiply
    2,085,809.10x = 3,128,713.65 × 823,472.70
  4. Step 4: Simplify right side
    2,085,809.10x = 2,576,410,276,892.36
  5. Step 5: Solve for x
    x = 2,576,410,276,892.36/2,085,809.10
  6. Step 6: Final answer
    x = 1,235,209.05

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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.