Home / 2,187,108.20-3,280,662.30-1,648,231.40

Finding the Fourth Proportional to 2,187,108.20, 3,280,662.30 and 1,648,231.40

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Solution

The fourth proportional to 2,187,108.20, 3,280,662.30 and 1,648,231.40 is: 2,472,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,108.20 : 3,280,662.30 = 1,648,231.40 : x
  2. Step 2: Convert to fraction form
    2,187,108.20/3,280,662.30 = 1,648,231.40/x
  3. Step 3: Cross multiply
    2,187,108.20x = 3,280,662.30 × 1,648,231.40
  4. Step 4: Simplify right side
    2,187,108.20x = 5,407,290,615,656.22
  5. Step 5: Solve for x
    x = 5,407,290,615,656.22/2,187,108.20
  6. Step 6: Final answer
    x = 2,472,347.10

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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.