Home / 3,928,088.96-5,421,507.20-2,458,679.04

Finding the Fourth Proportional to 3,928,088.96, 5,421,507.20 and 2,458,679.04

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Solution

The fourth proportional to 3,928,088.96, 5,421,507.20 and 2,458,679.04 is: 3,393,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,088.96 : 5,421,507.20 = 2,458,679.04 : x
  2. Step 2: Convert to fraction form
    3,928,088.96/5,421,507.20 = 2,458,679.04/x
  3. Step 3: Cross multiply
    3,928,088.96x = 5,421,507.20 × 2,458,679.04
  4. Step 4: Simplify right side
    3,928,088.96x = 13,329,746,117,849.09
  5. Step 5: Solve for x
    x = 13,329,746,117,849.09/3,928,088.96
  6. Step 6: Final answer
    x = 3,393,443.03

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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.