Home / 2,218,106.16-3,061,770.84-1,312,686

Finding the Fourth Proportional to 2,218,106.16, 3,061,770.84 and 1,312,686

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Solution

The fourth proportional to 2,218,106.16, 3,061,770.84 and 1,312,686 is: 1,811,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,106.16 : 3,061,770.84 = 1,312,686 : x
  2. Step 2: Convert to fraction form
    2,218,106.16/3,061,770.84 = 1,312,686/x
  3. Step 3: Cross multiply
    2,218,106.16x = 3,061,770.84 × 1,312,686
  4. Step 4: Simplify right side
    2,218,106.16x = 4,019,143,716,876.24
  5. Step 5: Solve for x
    x = 4,019,143,716,876.24/2,218,106.16
  6. Step 6: Final answer
    x = 1,811,970.86

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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.