Home / 5,101,841.10-7,040,616.72-2,778,840.72

Finding the Fourth Proportional to 5,101,841.10, 7,040,616.72 and 2,778,840.72

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Solution

The fourth proportional to 5,101,841.10, 7,040,616.72 and 2,778,840.72 is: 3,834,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,841.10 : 7,040,616.72 = 2,778,840.72 : x
  2. Step 2: Convert to fraction form
    5,101,841.10/7,040,616.72 = 2,778,840.72/x
  3. Step 3: Cross multiply
    5,101,841.10x = 7,040,616.72 × 2,778,840.72
  4. Step 4: Simplify right side
    5,101,841.10x = 19,564,752,435,448.84
  5. Step 5: Solve for x
    x = 19,564,752,435,448.84/5,101,841.10
  6. Step 6: Final answer
    x = 3,834,841.59

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1.5x scale

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.