Home / 2,678,167.09-3,697,001.39-1,808,180.31

Finding the Fourth Proportional to 2,678,167.09, 3,697,001.39 and 1,808,180.31

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Solution

The fourth proportional to 2,678,167.09, 3,697,001.39 and 1,808,180.31 is: 2,496,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,167.09 : 3,697,001.39 = 1,808,180.31 : x
  2. Step 2: Convert to fraction form
    2,678,167.09/3,697,001.39 = 1,808,180.31/x
  3. Step 3: Cross multiply
    2,678,167.09x = 3,697,001.39 × 1,808,180.31
  4. Step 4: Simplify right side
    2,678,167.09x = 6,684,845,137,824.84
  5. Step 5: Solve for x
    x = 6,684,845,137,824.84/2,678,167.09
  6. Step 6: Final answer
    x = 2,496,052.30

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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.