Home / 1,992,859.20-2,989,580.40-1,046,301.30

Finding the Fourth Proportional to 1,992,859.20, 2,989,580.40 and 1,046,301.30

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Solution

The fourth proportional to 1,992,859.20, 2,989,580.40 and 1,046,301.30 is: 1,569,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,859.20 : 2,989,580.40 = 1,046,301.30 : x
  2. Step 2: Convert to fraction form
    1,992,859.20/2,989,580.40 = 1,046,301.30/x
  3. Step 3: Cross multiply
    1,992,859.20x = 2,989,580.40 × 1,046,301.30
  4. Step 4: Simplify right side
    1,992,859.20x = 3,128,001,858,974.52
  5. Step 5: Solve for x
    x = 3,128,001,858,974.52/1,992,859.20
  6. Step 6: Final answer
    x = 1,569,605.05

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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.