Home / 2,812,646.16-4,219,166.07-1,392,320.88

Finding the Fourth Proportional to 2,812,646.16, 4,219,166.07 and 1,392,320.88

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Solution

The fourth proportional to 2,812,646.16, 4,219,166.07 and 1,392,320.88 is: 2,088,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,646.16 : 4,219,166.07 = 1,392,320.88 : x
  2. Step 2: Convert to fraction form
    2,812,646.16/4,219,166.07 = 1,392,320.88/x
  3. Step 3: Cross multiply
    2,812,646.16x = 4,219,166.07 × 1,392,320.88
  4. Step 4: Simplify right side
    2,812,646.16x = 5,874,433,015,448.54
  5. Step 5: Solve for x
    x = 5,874,433,015,448.54/2,812,646.16
  6. Step 6: Final answer
    x = 2,088,578.76

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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.