Home / 1,557,995.81-2,150,026.05-869,627.84

Finding the Fourth Proportional to 1,557,995.81, 2,150,026.05 and 869,627.84

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Solution

The fourth proportional to 1,557,995.81, 2,150,026.05 and 869,627.84 is: 1,200,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,995.81 : 2,150,026.05 = 869,627.84 : x
  2. Step 2: Convert to fraction form
    1,557,995.81/2,150,026.05 = 869,627.84/x
  3. Step 3: Cross multiply
    1,557,995.81x = 2,150,026.05 × 869,627.84
  4. Step 4: Simplify right side
    1,557,995.81x = 1,869,722,494,706.96
  5. Step 5: Solve for x
    x = 1,869,722,494,706.96/1,557,995.81
  6. Step 6: Final answer
    x = 1,200,081.85

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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.