Home / 3,422,348.81-5,138,569.65-1,908,988.55

Finding the Fourth Proportional to 3,422,348.81, 5,138,569.65 and 1,908,988.55

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Solution

The fourth proportional to 3,422,348.81, 5,138,569.65 and 1,908,988.55 is: 2,866,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,348.81 : 5,138,569.65 = 1,908,988.55 : x
  2. Step 2: Convert to fraction form
    3,422,348.81/5,138,569.65 = 1,908,988.55/x
  3. Step 3: Cross multiply
    3,422,348.81x = 5,138,569.65 × 1,908,988.55
  4. Step 4: Simplify right side
    3,422,348.81x = 9,809,470,645,232.64
  5. Step 5: Solve for x
    x = 9,809,470,645,232.64/3,422,348.81
  6. Step 6: Final answer
    x = 2,866,297.73

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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.