Home / 3,110,898.70-4,293,039.23-1,680,114.70

Finding the Fourth Proportional to 3,110,898.70, 4,293,039.23 and 1,680,114.70

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Solution

The fourth proportional to 3,110,898.70, 4,293,039.23 and 1,680,114.70 is: 2,318,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,898.70 : 4,293,039.23 = 1,680,114.70 : x
  2. Step 2: Convert to fraction form
    3,110,898.70/4,293,039.23 = 1,680,114.70/x
  3. Step 3: Cross multiply
    3,110,898.70x = 4,293,039.23 × 1,680,114.70
  4. Step 4: Simplify right side
    3,110,898.70x = 7,212,798,317,999.68
  5. Step 5: Solve for x
    x = 7,212,798,317,999.68/3,110,898.70
  6. Step 6: Final answer
    x = 2,318,557.76

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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.