Home / 2,175,417.20-3,263,125.80-1,325,111.60

Finding the Fourth Proportional to 2,175,417.20, 3,263,125.80 and 1,325,111.60

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Solution

The fourth proportional to 2,175,417.20, 3,263,125.80 and 1,325,111.60 is: 1,987,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,417.20 : 3,263,125.80 = 1,325,111.60 : x
  2. Step 2: Convert to fraction form
    2,175,417.20/3,263,125.80 = 1,325,111.60/x
  3. Step 3: Cross multiply
    2,175,417.20x = 3,263,125.80 × 1,325,111.60
  4. Step 4: Simplify right side
    2,175,417.20x = 4,324,005,849,839.28
  5. Step 5: Solve for x
    x = 4,324,005,849,839.28/2,175,417.20
  6. Step 6: Final answer
    x = 1,987,667.40

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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.