Home / 2,071,191.68-2,857,559.55-1,211,143.13

Finding the Fourth Proportional to 2,071,191.68, 2,857,559.55 and 1,211,143.13

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Solution

The fourth proportional to 2,071,191.68, 2,857,559.55 and 1,211,143.13 is: 1,670,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,191.68 : 2,857,559.55 = 1,211,143.13 : x
  2. Step 2: Convert to fraction form
    2,071,191.68/2,857,559.55 = 1,211,143.13/x
  3. Step 3: Cross multiply
    2,071,191.68x = 2,857,559.55 × 1,211,143.13
  4. Step 4: Simplify right side
    2,071,191.68x = 3,460,913,617,548.39
  5. Step 5: Solve for x
    x = 3,460,913,617,548.39/2,071,191.68
  6. Step 6: Final answer
    x = 1,670,976.98

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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.