Home / 2,945,219.20-4,414,718.40-1,680,323.20

Finding the Fourth Proportional to 2,945,219.20, 4,414,718.40 and 1,680,323.20

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Solution

The fourth proportional to 2,945,219.20, 4,414,718.40 and 1,680,323.20 is: 2,518,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,219.20 : 4,414,718.40 = 1,680,323.20 : x
  2. Step 2: Convert to fraction form
    2,945,219.20/4,414,718.40 = 1,680,323.20/x
  3. Step 3: Cross multiply
    2,945,219.20x = 4,414,718.40 × 1,680,323.20
  4. Step 4: Simplify right side
    2,945,219.20x = 7,418,153,748,986.88
  5. Step 5: Solve for x
    x = 7,418,153,748,986.88/2,945,219.20
  6. Step 6: Final answer
    x = 2,518,710.24

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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.