Home / 2,177,275.85-3,004,743.20-1,210,422.29

Finding the Fourth Proportional to 2,177,275.85, 3,004,743.20 and 1,210,422.29

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Solution

The fourth proportional to 2,177,275.85, 3,004,743.20 and 1,210,422.29 is: 1,670,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,275.85 : 3,004,743.20 = 1,210,422.29 : x
  2. Step 2: Convert to fraction form
    2,177,275.85/3,004,743.20 = 1,210,422.29/x
  3. Step 3: Cross multiply
    2,177,275.85x = 3,004,743.20 × 1,210,422.29
  4. Step 4: Simplify right side
    2,177,275.85x = 3,637,008,123,930.10
  5. Step 5: Solve for x
    x = 3,637,008,123,930.10/2,177,275.85
  6. Step 6: Final answer
    x = 1,670,439.75

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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.