Home / 2,870,153.68-3,960,793.52-1,580,964.16

Finding the Fourth Proportional to 2,870,153.68, 3,960,793.52 and 1,580,964.16

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Solution

The fourth proportional to 2,870,153.68, 3,960,793.52 and 1,580,964.16 is: 2,181,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,153.68 : 3,960,793.52 = 1,580,964.16 : x
  2. Step 2: Convert to fraction form
    2,870,153.68/3,960,793.52 = 1,580,964.16/x
  3. Step 3: Cross multiply
    2,870,153.68x = 3,960,793.52 × 1,580,964.16
  4. Step 4: Simplify right side
    2,870,153.68x = 6,261,872,600,280.24
  5. Step 5: Solve for x
    x = 6,261,872,600,280.24/2,870,153.68
  6. Step 6: Final answer
    x = 2,181,720.32

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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.