Home / 5,569,778-8,355,464.28-2,112,788.72

Finding the Fourth Proportional to 5,569,778, 8,355,464.28 and 2,112,788.72

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Solution

The fourth proportional to 5,569,778, 8,355,464.28 and 2,112,788.72 is: 3,169,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569,778 : 8,355,464.28 = 2,112,788.72 : x
  2. Step 2: Convert to fraction form
    5,569,778/8,355,464.28 = 2,112,788.72/x
  3. Step 3: Cross multiply
    5,569,778x = 8,355,464.28 × 2,112,788.72
  4. Step 4: Simplify right side
    5,569,778x = 17,653,330,681,146.93
  5. Step 5: Solve for x
    x = 17,653,330,681,146.93/5,569,778
  6. Step 6: Final answer
    x = 3,169,485.51

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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.