Home / 3,240,806.48-4,472,359.85-1,790,535.28

Finding the Fourth Proportional to 3,240,806.48, 4,472,359.85 and 1,790,535.28

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Solution

The fourth proportional to 3,240,806.48, 4,472,359.85 and 1,790,535.28 is: 2,470,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,806.48 : 4,472,359.85 = 1,790,535.28 : x
  2. Step 2: Convert to fraction form
    3,240,806.48/4,472,359.85 = 1,790,535.28/x
  3. Step 3: Cross multiply
    3,240,806.48x = 4,472,359.85 × 1,790,535.28
  4. Step 4: Simplify right side
    3,240,806.48x = 8,007,918,096,280.51
  5. Step 5: Solve for x
    x = 8,007,918,096,280.51/3,240,806.48
  6. Step 6: Final answer
    x = 2,470,964.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.