Home / 3,211,741.50-4,432,203.30-1,780,957.50

Finding the Fourth Proportional to 3,211,741.50, 4,432,203.30 and 1,780,957.50

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Solution

The fourth proportional to 3,211,741.50, 4,432,203.30 and 1,780,957.50 is: 2,457,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,741.50 : 4,432,203.30 = 1,780,957.50 : x
  2. Step 2: Convert to fraction form
    3,211,741.50/4,432,203.30 = 1,780,957.50/x
  3. Step 3: Cross multiply
    3,211,741.50x = 4,432,203.30 × 1,780,957.50
  4. Step 4: Simplify right side
    3,211,741.50x = 7,893,565,708,659.75
  5. Step 5: Solve for x
    x = 7,893,565,708,659.75/3,211,741.50
  6. Step 6: Final answer
    x = 2,457,721.37

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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.