Home / 3,163,948.32-4,745,886.84-767,819.28

Finding the Fourth Proportional to 3,163,948.32, 4,745,886.84 and 767,819.28

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Solution

The fourth proportional to 3,163,948.32, 4,745,886.84 and 767,819.28 is: 1,151,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,948.32 : 4,745,886.84 = 767,819.28 : x
  2. Step 2: Convert to fraction form
    3,163,948.32/4,745,886.84 = 767,819.28/x
  3. Step 3: Cross multiply
    3,163,948.32x = 4,745,886.84 × 767,819.28
  4. Step 4: Simplify right side
    3,163,948.32x = 3,643,983,416,450.28
  5. Step 5: Solve for x
    x = 3,643,983,416,450.28/3,163,948.32
  6. Step 6: Final answer
    x = 1,151,720.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.