Home / 2,781,347.40-4,172,021.10-2,150,713.80

Finding the Fourth Proportional to 2,781,347.40, 4,172,021.10 and 2,150,713.80

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Solution

The fourth proportional to 2,781,347.40, 4,172,021.10 and 2,150,713.80 is: 3,226,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,347.40 : 4,172,021.10 = 2,150,713.80 : x
  2. Step 2: Convert to fraction form
    2,781,347.40/4,172,021.10 = 2,150,713.80/x
  3. Step 3: Cross multiply
    2,781,347.40x = 4,172,021.10 × 2,150,713.80
  4. Step 4: Simplify right side
    2,781,347.40x = 8,972,823,353,661.18
  5. Step 5: Solve for x
    x = 8,972,823,353,661.18/2,781,347.40
  6. Step 6: Final answer
    x = 3,226,070.70

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1.5x scale

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.