Home / 3,428,445.60-4,731,737.22-2,122,116.94

Finding the Fourth Proportional to 3,428,445.60, 4,731,737.22 and 2,122,116.94

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Solution

The fourth proportional to 3,428,445.60, 4,731,737.22 and 2,122,116.94 is: 2,928,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,445.60 : 4,731,737.22 = 2,122,116.94 : x
  2. Step 2: Convert to fraction form
    3,428,445.60/4,731,737.22 = 2,122,116.94/x
  3. Step 3: Cross multiply
    3,428,445.60x = 4,731,737.22 × 2,122,116.94
  4. Step 4: Simplify right side
    3,428,445.60x = 10,041,299,710,190.51
  5. Step 5: Solve for x
    x = 10,041,299,710,190.51/3,428,445.60
  6. Step 6: Final answer
    x = 2,928,819.90

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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.