Home / 2,840,788.59-3,919,269.57-1,678,991.01

Finding the Fourth Proportional to 2,840,788.59, 3,919,269.57 and 1,678,991.01

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Solution

The fourth proportional to 2,840,788.59, 3,919,269.57 and 1,678,991.01 is: 2,316,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,788.59 : 3,919,269.57 = 1,678,991.01 : x
  2. Step 2: Convert to fraction form
    2,840,788.59/3,919,269.57 = 1,678,991.01/x
  3. Step 3: Cross multiply
    2,840,788.59x = 3,919,269.57 × 1,678,991.01
  4. Step 4: Simplify right side
    2,840,788.59x = 6,580,418,373,796.57
  5. Step 5: Solve for x
    x = 6,580,418,373,796.57/2,840,788.59
  6. Step 6: Final answer
    x = 2,316,405.52

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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.