Home / 1,722,870.80-2,376,923.98-1,720,213.64

Finding the Fourth Proportional to 1,722,870.80, 2,376,923.98 and 1,720,213.64

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Solution

The fourth proportional to 1,722,870.80, 2,376,923.98 and 1,720,213.64 is: 2,373,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,870.80 : 2,376,923.98 = 1,720,213.64 : x
  2. Step 2: Convert to fraction form
    1,722,870.80/2,376,923.98 = 1,720,213.64/x
  3. Step 3: Cross multiply
    1,722,870.80x = 2,376,923.98 × 1,720,213.64
  4. Step 4: Simplify right side
    1,722,870.80x = 4,088,817,051,639.09
  5. Step 5: Solve for x
    x = 4,088,817,051,639.09/1,722,870.80
  6. Step 6: Final answer
    x = 2,373,258.08

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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.