Home / 2,085,407.24-3,128,448.38-645,752.30

Finding the Fourth Proportional to 2,085,407.24, 3,128,448.38 and 645,752.30

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Solution

The fourth proportional to 2,085,407.24, 3,128,448.38 and 645,752.30 is: 968,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,407.24 : 3,128,448.38 = 645,752.30 : x
  2. Step 2: Convert to fraction form
    2,085,407.24/3,128,448.38 = 645,752.30/x
  3. Step 3: Cross multiply
    2,085,407.24x = 3,128,448.38 × 645,752.30
  4. Step 4: Simplify right side
    2,085,407.24x = 2,020,202,717,945.27
  5. Step 5: Solve for x
    x = 2,020,202,717,945.27/2,085,407.24
  6. Step 6: Final answer
    x = 968,732.96

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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.