Home / 1,931,181.32-2,667,242.02-1,271,840.60

Finding the Fourth Proportional to 1,931,181.32, 2,667,242.02 and 1,271,840.60

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Solution

The fourth proportional to 1,931,181.32, 2,667,242.02 and 1,271,840.60 is: 1,756,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,181.32 : 2,667,242.02 = 1,271,840.60 : x
  2. Step 2: Convert to fraction form
    1,931,181.32/2,667,242.02 = 1,271,840.60/x
  3. Step 3: Cross multiply
    1,931,181.32x = 2,667,242.02 × 1,271,840.60
  4. Step 4: Simplify right side
    1,931,181.32x = 3,392,306,691,062.01
  5. Step 5: Solve for x
    x = 3,392,306,691,062.01/1,931,181.32
  6. Step 6: Final answer
    x = 1,756,596.68

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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.