Home / 3,645,792-5,031,620.40-2,196,219.12

Finding the Fourth Proportional to 3,645,792, 5,031,620.40 and 2,196,219.12

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Solution

The fourth proportional to 3,645,792, 5,031,620.40 and 2,196,219.12 is: 3,031,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,792 : 5,031,620.40 = 2,196,219.12 : x
  2. Step 2: Convert to fraction form
    3,645,792/5,031,620.40 = 2,196,219.12/x
  3. Step 3: Cross multiply
    3,645,792x = 5,031,620.40 × 2,196,219.12
  4. Step 4: Simplify right side
    3,645,792x = 11,050,540,927,062.05
  5. Step 5: Solve for x
    x = 11,050,540,927,062.05/3,645,792
  6. Step 6: Final answer
    x = 3,031,039.87

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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.