Home / 2,487,117.40-3,728,489.10-1,685,800.60

Finding the Fourth Proportional to 2,487,117.40, 3,728,489.10 and 1,685,800.60

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Solution

The fourth proportional to 2,487,117.40, 3,728,489.10 and 1,685,800.60 is: 2,527,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,117.40 : 3,728,489.10 = 1,685,800.60 : x
  2. Step 2: Convert to fraction form
    2,487,117.40/3,728,489.10 = 1,685,800.60/x
  3. Step 3: Cross multiply
    2,487,117.40x = 3,728,489.10 × 1,685,800.60
  4. Step 4: Simplify right side
    2,487,117.40x = 6,285,489,161,873.46
  5. Step 5: Solve for x
    x = 6,285,489,161,873.46/2,487,117.40
  6. Step 6: Final answer
    x = 2,527,218.52

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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.