Home / 3,240,985.59-4,472,650.34-1,790,774.48

Finding the Fourth Proportional to 3,240,985.59, 4,472,650.34 and 1,790,774.48

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Solution

The fourth proportional to 3,240,985.59, 4,472,650.34 and 1,790,774.48 is: 2,471,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,985.59 : 4,472,650.34 = 1,790,774.48 : x
  2. Step 2: Convert to fraction form
    3,240,985.59/4,472,650.34 = 1,790,774.48/x
  3. Step 3: Cross multiply
    3,240,985.59x = 4,472,650.34 × 1,790,774.48
  4. Step 4: Simplify right side
    3,240,985.59x = 8,009,508,095,778.48
  5. Step 5: Solve for x
    x = 8,009,508,095,778.48/3,240,985.59
  6. Step 6: Final answer
    x = 2,471,318.64

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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.