Home / 3,124,785.20-4,312,237.56-1,835,679.92

Finding the Fourth Proportional to 3,124,785.20, 4,312,237.56 and 1,835,679.92

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Solution

The fourth proportional to 3,124,785.20, 4,312,237.56 and 1,835,679.92 is: 2,533,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,785.20 : 4,312,237.56 = 1,835,679.92 : x
  2. Step 2: Convert to fraction form
    3,124,785.20/4,312,237.56 = 1,835,679.92/x
  3. Step 3: Cross multiply
    3,124,785.20x = 4,312,237.56 × 1,835,679.92
  4. Step 4: Simplify right side
    3,124,785.20x = 7,915,887,899,161.79
  5. Step 5: Solve for x
    x = 7,915,887,899,161.79/3,124,785.20
  6. Step 6: Final answer
    x = 2,533,258.25

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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.