Home / 2,120,219.16-2,925,980.50-1,214,976.12

Finding the Fourth Proportional to 2,120,219.16, 2,925,980.50 and 1,214,976.12

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Solution

The fourth proportional to 2,120,219.16, 2,925,980.50 and 1,214,976.12 is: 1,676,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,219.16 : 2,925,980.50 = 1,214,976.12 : x
  2. Step 2: Convert to fraction form
    2,120,219.16/2,925,980.50 = 1,214,976.12/x
  3. Step 3: Cross multiply
    2,120,219.16x = 2,925,980.50 × 1,214,976.12
  4. Step 4: Simplify right side
    2,120,219.16x = 3,554,996,435,085.66
  5. Step 5: Solve for x
    x = 3,554,996,435,085.66/2,120,219.16
  6. Step 6: Final answer
    x = 1,676,711.78

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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.