Home / 3,121,577.14-4,682,367.51-877,715.14

Finding the Fourth Proportional to 3,121,577.14, 4,682,367.51 and 877,715.14

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Solution

The fourth proportional to 3,121,577.14, 4,682,367.51 and 877,715.14 is: 1,316,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,577.14 : 4,682,367.51 = 877,715.14 : x
  2. Step 2: Convert to fraction form
    3,121,577.14/4,682,367.51 = 877,715.14/x
  3. Step 3: Cross multiply
    3,121,577.14x = 4,682,367.51 × 877,715.14
  4. Step 4: Simplify right side
    3,121,577.14x = 4,109,784,854,571.10
  5. Step 5: Solve for x
    x = 4,109,784,854,571.10/3,121,577.14
  6. Step 6: Final answer
    x = 1,316,573.22

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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.