Home / 3,738,208.15-5,158,731.86-2,019,328.69

Finding the Fourth Proportional to 3,738,208.15, 5,158,731.86 and 2,019,328.69

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Solution

The fourth proportional to 3,738,208.15, 5,158,731.86 and 2,019,328.69 is: 2,786,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,208.15 : 5,158,731.86 = 2,019,328.69 : x
  2. Step 2: Convert to fraction form
    3,738,208.15/5,158,731.86 = 2,019,328.69/x
  3. Step 3: Cross multiply
    3,738,208.15x = 5,158,731.86 × 2,019,328.69
  4. Step 4: Simplify right side
    3,738,208.15x = 10,417,175,248,915.06
  5. Step 5: Solve for x
    x = 10,417,175,248,915.06/3,738,208.15
  6. Step 6: Final answer
    x = 2,786,676.08

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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.