Home / 3,487,300.80-4,812,616.80-1,959,403.20

Finding the Fourth Proportional to 3,487,300.80, 4,812,616.80 and 1,959,403.20

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Solution

The fourth proportional to 3,487,300.80, 4,812,616.80 and 1,959,403.20 is: 2,704,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,300.80 : 4,812,616.80 = 1,959,403.20 : x
  2. Step 2: Convert to fraction form
    3,487,300.80/4,812,616.80 = 1,959,403.20/x
  3. Step 3: Cross multiply
    3,487,300.80x = 4,812,616.80 × 1,959,403.20
  4. Step 4: Simplify right side
    3,487,300.80x = 9,429,856,758,293.76
  5. Step 5: Solve for x
    x = 9,429,856,758,293.76/3,487,300.80
  6. Step 6: Final answer
    x = 2,704,056.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.