Home / 2,731,625.60-4,091,908.80-1,891,126.40

Finding the Fourth Proportional to 2,731,625.60, 4,091,908.80 and 1,891,126.40

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Solution

The fourth proportional to 2,731,625.60, 4,091,908.80 and 1,891,126.40 is: 2,832,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,625.60 : 4,091,908.80 = 1,891,126.40 : x
  2. Step 2: Convert to fraction form
    2,731,625.60/4,091,908.80 = 1,891,126.40/x
  3. Step 3: Cross multiply
    2,731,625.60x = 4,091,908.80 × 1,891,126.40
  4. Step 4: Simplify right side
    2,731,625.60x = 7,738,316,758,072.32
  5. Step 5: Solve for x
    x = 7,738,316,758,072.32/2,731,625.60
  6. Step 6: Final answer
    x = 2,832,861.41

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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.