Home / 2,678,869.80-4,008,681.18-1,967,132.52

Finding the Fourth Proportional to 2,678,869.80, 4,008,681.18 and 1,967,132.52

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Solution

The fourth proportional to 2,678,869.80, 4,008,681.18 and 1,967,132.52 is: 2,943,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,869.80 : 4,008,681.18 = 1,967,132.52 : x
  2. Step 2: Convert to fraction form
    2,678,869.80/4,008,681.18 = 1,967,132.52/x
  3. Step 3: Cross multiply
    2,678,869.80x = 4,008,681.18 × 1,967,132.52
  4. Step 4: Simplify right side
    2,678,869.80x = 7,885,607,111,489.97
  5. Step 5: Solve for x
    x = 7,885,607,111,489.97/2,678,869.80
  6. Step 6: Final answer
    x = 2,943,632.09

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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.