Home / 2,077,262.70-3,115,894.05-1,298,496.30

Finding the Fourth Proportional to 2,077,262.70, 3,115,894.05 and 1,298,496.30

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Solution

The fourth proportional to 2,077,262.70, 3,115,894.05 and 1,298,496.30 is: 1,947,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,262.70 : 3,115,894.05 = 1,298,496.30 : x
  2. Step 2: Convert to fraction form
    2,077,262.70/3,115,894.05 = 1,298,496.30/x
  3. Step 3: Cross multiply
    2,077,262.70x = 3,115,894.05 × 1,298,496.30
  4. Step 4: Simplify right side
    2,077,262.70x = 4,045,976,895,117.02
  5. Step 5: Solve for x
    x = 4,045,976,895,117.02/2,077,262.70
  6. Step 6: Final answer
    x = 1,947,744.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.