Home / 2,143,578.41-2,958,061.67-1,213,266.20

Finding the Fourth Proportional to 2,143,578.41, 2,958,061.67 and 1,213,266.20

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Solution

The fourth proportional to 2,143,578.41, 2,958,061.67 and 1,213,266.20 is: 1,674,264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,578.41 : 2,958,061.67 = 1,213,266.20 : x
  2. Step 2: Convert to fraction form
    2,143,578.41/2,958,061.67 = 1,213,266.20/x
  3. Step 3: Cross multiply
    2,143,578.41x = 2,958,061.67 × 1,213,266.20
  4. Step 4: Simplify right side
    2,143,578.41x = 3,588,916,220,869.92
  5. Step 5: Solve for x
    x = 3,588,916,220,869.92/2,143,578.41
  6. Step 6: Final answer
    x = 1,674,264.03

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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.