Home / 2,642,931.78-3,646,936.23-1,554,964.08

Finding the Fourth Proportional to 2,642,931.78, 3,646,936.23 and 1,554,964.08

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Solution

The fourth proportional to 2,642,931.78, 3,646,936.23 and 1,554,964.08 is: 2,145,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,931.78 : 3,646,936.23 = 1,554,964.08 : x
  2. Step 2: Convert to fraction form
    2,642,931.78/3,646,936.23 = 1,554,964.08/x
  3. Step 3: Cross multiply
    2,642,931.78x = 3,646,936.23 × 1,554,964.08
  4. Step 4: Simplify right side
    2,642,931.78x = 5,670,854,839,700.62
  5. Step 5: Solve for x
    x = 5,670,854,839,700.62/2,642,931.78
  6. Step 6: Final answer
    x = 2,145,668.26

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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.