Home / 2,624,760.72-3,937,690.08-1,108,447.20

Finding the Fourth Proportional to 2,624,760.72, 3,937,690.08 and 1,108,447.20

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Solution

The fourth proportional to 2,624,760.72, 3,937,690.08 and 1,108,447.20 is: 1,662,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624,760.72 : 3,937,690.08 = 1,108,447.20 : x
  2. Step 2: Convert to fraction form
    2,624,760.72/3,937,690.08 = 1,108,447.20/x
  3. Step 3: Cross multiply
    2,624,760.72x = 3,937,690.08 × 1,108,447.20
  4. Step 4: Simplify right side
    2,624,760.72x = 4,364,721,543,643.78
  5. Step 5: Solve for x
    x = 4,364,721,543,643.78/2,624,760.72
  6. Step 6: Final answer
    x = 1,662,902.64

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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.