Home / 3,141,412.02-4,707,758.52-1,431,376.20

Finding the Fourth Proportional to 3,141,412.02, 4,707,758.52 and 1,431,376.20

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Solution

The fourth proportional to 3,141,412.02, 4,707,758.52 and 1,431,376.20 is: 2,145,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,412.02 : 4,707,758.52 = 1,431,376.20 : x
  2. Step 2: Convert to fraction form
    3,141,412.02/4,707,758.52 = 1,431,376.20/x
  3. Step 3: Cross multiply
    3,141,412.02x = 4,707,758.52 × 1,431,376.20
  4. Step 4: Simplify right side
    3,141,412.02x = 6,738,573,500,875.22
  5. Step 5: Solve for x
    x = 6,738,573,500,875.22/3,141,412.02
  6. Step 6: Final answer
    x = 2,145,077.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.