Home / 1,931,180.32-2,667,240.64-1,271,839.60

Finding the Fourth Proportional to 1,931,180.32, 2,667,240.64 and 1,271,839.60

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Solution

The fourth proportional to 1,931,180.32, 2,667,240.64 and 1,271,839.60 is: 1,756,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,180.32 : 2,667,240.64 = 1,271,839.60 : x
  2. Step 2: Convert to fraction form
    1,931,180.32/2,667,240.64 = 1,271,839.60/x
  3. Step 3: Cross multiply
    1,931,180.32x = 2,667,240.64 × 1,271,839.60
  4. Step 4: Simplify right side
    1,931,180.32x = 3,392,302,268,681.34
  5. Step 5: Solve for x
    x = 3,392,302,268,681.34/1,931,180.32
  6. Step 6: Final answer
    x = 1,756,595.30

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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.