Home / 2,430,244.40-3,640,992.60-1,928,109.20

Finding the Fourth Proportional to 2,430,244.40, 3,640,992.60 and 1,928,109.20

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Solution

The fourth proportional to 2,430,244.40, 3,640,992.60 and 1,928,109.20 is: 2,888,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,244.40 : 3,640,992.60 = 1,928,109.20 : x
  2. Step 2: Convert to fraction form
    2,430,244.40/3,640,992.60 = 1,928,109.20/x
  3. Step 3: Cross multiply
    2,430,244.40x = 3,640,992.60 × 1,928,109.20
  4. Step 4: Simplify right side
    2,430,244.40x = 7,020,231,329,191.92
  5. Step 5: Solve for x
    x = 7,020,231,329,191.92/2,430,244.40
  6. Step 6: Final answer
    x = 2,888,693.55

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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.