Home / 3,110,879.70-4,293,013.09-1,680,095.70

Finding the Fourth Proportional to 3,110,879.70, 4,293,013.09 and 1,680,095.70

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Solution

The fourth proportional to 3,110,879.70, 4,293,013.09 and 1,680,095.70 is: 2,318,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,879.70 : 4,293,013.09 = 1,680,095.70 : x
  2. Step 2: Convert to fraction form
    3,110,879.70/4,293,013.09 = 1,680,095.70/x
  3. Step 3: Cross multiply
    3,110,879.70x = 4,293,013.09 × 1,680,095.70
  4. Step 4: Simplify right side
    3,110,879.70x = 7,212,672,832,552.71
  5. Step 5: Solve for x
    x = 7,212,672,832,552.71/3,110,879.70
  6. Step 6: Final answer
    x = 2,318,531.58

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1.5x scale

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.