Home / 1,722,869.80-2,376,922.60-1,720,212.64

Finding the Fourth Proportional to 1,722,869.80, 2,376,922.60 and 1,720,212.64

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Solution

The fourth proportional to 1,722,869.80, 2,376,922.60 and 1,720,212.64 is: 2,373,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,869.80 : 2,376,922.60 = 1,720,212.64 : x
  2. Step 2: Convert to fraction form
    1,722,869.80/2,376,922.60 = 1,720,212.64/x
  3. Step 3: Cross multiply
    1,722,869.80x = 2,376,922.60 × 1,720,212.64
  4. Step 4: Simplify right side
    1,722,869.80x = 4,088,812,300,821.66
  5. Step 5: Solve for x
    x = 4,088,812,300,821.66/1,722,869.80
  6. Step 6: Final answer
    x = 2,373,256.70

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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.