Home / 3,896,337.30-5,376,479.73-2,153,771.28

Finding the Fourth Proportional to 3,896,337.30, 5,376,479.73 and 2,153,771.28

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Solution

The fourth proportional to 3,896,337.30, 5,376,479.73 and 2,153,771.28 is: 2,971,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,337.30 : 5,376,479.73 = 2,153,771.28 : x
  2. Step 2: Convert to fraction form
    3,896,337.30/5,376,479.73 = 2,153,771.28/x
  3. Step 3: Cross multiply
    3,896,337.30x = 5,376,479.73 × 2,153,771.28
  4. Step 4: Simplify right side
    3,896,337.30x = 11,579,707,629,976.15
  5. Step 5: Solve for x
    x = 11,579,707,629,976.15/3,896,337.30
  6. Step 6: Final answer
    x = 2,971,946.92

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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.