Home / 2,987,808.50-4,123,175.74-1,629,681.50

Finding the Fourth Proportional to 2,987,808.50, 4,123,175.74 and 1,629,681.50

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Solution

The fourth proportional to 2,987,808.50, 4,123,175.74 and 1,629,681.50 is: 2,248,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,808.50 : 4,123,175.74 = 1,629,681.50 : x
  2. Step 2: Convert to fraction form
    2,987,808.50/4,123,175.74 = 1,629,681.50/x
  3. Step 3: Cross multiply
    2,987,808.50x = 4,123,175.74 × 1,629,681.50
  4. Step 4: Simplify right side
    2,987,808.50x = 6,719,463,224,726.81
  5. Step 5: Solve for x
    x = 6,719,463,224,726.81/2,987,808.50
  6. Step 6: Final answer
    x = 2,248,960.48

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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.