Home / 1,931,170.96-2,667,227.76-1,271,830.25

Finding the Fourth Proportional to 1,931,170.96, 2,667,227.76 and 1,271,830.25

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Solution

The fourth proportional to 1,931,170.96, 2,667,227.76 and 1,271,830.25 is: 1,756,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,170.96 : 2,667,227.76 = 1,271,830.25 : x
  2. Step 2: Convert to fraction form
    1,931,170.96/2,667,227.76 = 1,271,830.25/x
  3. Step 3: Cross multiply
    1,931,170.96x = 2,667,227.76 × 1,271,830.25
  4. Step 4: Simplify right side
    1,931,170.96x = 3,392,260,955,475.81
  5. Step 5: Solve for x
    x = 3,392,260,955,475.81/1,931,170.96
  6. Step 6: Final answer
    x = 1,756,582.42

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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.