Home / 2,085,919.20-3,130,045.20-887,637.60

Finding the Fourth Proportional to 2,085,919.20, 3,130,045.20 and 887,637.60

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Solution

The fourth proportional to 2,085,919.20, 3,130,045.20 and 887,637.60 is: 1,331,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,919.20 : 3,130,045.20 = 887,637.60 : x
  2. Step 2: Convert to fraction form
    2,085,919.20/3,130,045.20 = 887,637.60/x
  3. Step 3: Cross multiply
    2,085,919.20x = 3,130,045.20 × 887,637.60
  4. Step 4: Simplify right side
    2,085,919.20x = 2,778,345,809,219.52
  5. Step 5: Solve for x
    x = 2,778,345,809,219.52/2,085,919.20
  6. Step 6: Final answer
    x = 1,331,952.75

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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.