Home / 4,119,275.20-6,178,912.80-2,772,083.20

Finding the Fourth Proportional to 4,119,275.20, 6,178,912.80 and 2,772,083.20

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Solution

The fourth proportional to 4,119,275.20, 6,178,912.80 and 2,772,083.20 is: 4,158,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,275.20 : 6,178,912.80 = 2,772,083.20 : x
  2. Step 2: Convert to fraction form
    4,119,275.20/6,178,912.80 = 2,772,083.20/x
  3. Step 3: Cross multiply
    4,119,275.20x = 6,178,912.80 × 2,772,083.20
  4. Step 4: Simplify right side
    4,119,275.20x = 17,128,460,367,144.96
  5. Step 5: Solve for x
    x = 17,128,460,367,144.96/4,119,275.20
  6. Step 6: Final answer
    x = 4,158,124.80

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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.