Home / 2,191,070.26-3,023,833.42-1,210,988.23

Finding the Fourth Proportional to 2,191,070.26, 3,023,833.42 and 1,210,988.23

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Solution

The fourth proportional to 2,191,070.26, 3,023,833.42 and 1,210,988.23 is: 1,671,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,070.26 : 3,023,833.42 = 1,210,988.23 : x
  2. Step 2: Convert to fraction form
    2,191,070.26/3,023,833.42 = 1,210,988.23/x
  3. Step 3: Cross multiply
    2,191,070.26x = 3,023,833.42 × 1,210,988.23
  4. Step 4: Simplify right side
    2,191,070.26x = 3,661,826,659,926.54
  5. Step 5: Solve for x
    x = 3,661,826,659,926.54/2,191,070.26
  6. Step 6: Final answer
    x = 1,671,250.23

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Double scale
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1.5x scale

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.