Home / 1,788,126.38-2,474,112.38-1,559,160.79

Finding the Fourth Proportional to 1,788,126.38, 2,474,112.38 and 1,559,160.79

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Solution

The fourth proportional to 1,788,126.38, 2,474,112.38 and 1,559,160.79 is: 2,157,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,126.38 : 2,474,112.38 = 1,559,160.79 : x
  2. Step 2: Convert to fraction form
    1,788,126.38/2,474,112.38 = 1,559,160.79/x
  3. Step 3: Cross multiply
    1,788,126.38x = 2,474,112.38 × 1,559,160.79
  4. Step 4: Simplify right side
    1,788,126.38x = 3,857,539,000,579.02
  5. Step 5: Solve for x
    x = 3,857,539,000,579.02/1,788,126.38
  6. Step 6: Final answer
    x = 2,157,307.81

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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.