Home / 3,216,429.60-4,847,763.96-2,772,508.32

Finding the Fourth Proportional to 3,216,429.60, 4,847,763.96 and 2,772,508.32

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Solution

The fourth proportional to 3,216,429.60, 4,847,763.96 and 2,772,508.32 is: 4,178,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,429.60 : 4,847,763.96 = 2,772,508.32 : x
  2. Step 2: Convert to fraction form
    3,216,429.60/4,847,763.96 = 2,772,508.32/x
  3. Step 3: Cross multiply
    3,216,429.60x = 4,847,763.96 × 2,772,508.32
  4. Step 4: Simplify right side
    3,216,429.60x = 13,440,465,912,496.15
  5. Step 5: Solve for x
    x = 13,440,465,912,496.15/3,216,429.60
  6. Step 6: Final answer
    x = 4,178,691.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.