Home / 2,813,927.18-4,220,892.34-1,976,218.70

Finding the Fourth Proportional to 2,813,927.18, 4,220,892.34 and 1,976,218.70

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Solution

The fourth proportional to 2,813,927.18, 4,220,892.34 and 1,976,218.70 is: 2,964,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,927.18 : 4,220,892.34 = 1,976,218.70 : x
  2. Step 2: Convert to fraction form
    2,813,927.18/4,220,892.34 = 1,976,218.70/x
  3. Step 3: Cross multiply
    2,813,927.18x = 4,220,892.34 × 1,976,218.70
  4. Step 4: Simplify right side
    2,813,927.18x = 8,341,406,346,949.75
  5. Step 5: Solve for x
    x = 8,341,406,346,949.75/2,813,927.18
  6. Step 6: Final answer
    x = 2,964,329.15

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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.