Home / 3,891,428.21-5,370,666.29-2,259,510.68

Finding the Fourth Proportional to 3,891,428.21, 5,370,666.29 and 2,259,510.68

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Solution

The fourth proportional to 3,891,428.21, 5,370,666.29 and 2,259,510.68 is: 3,118,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,428.21 : 5,370,666.29 = 2,259,510.68 : x
  2. Step 2: Convert to fraction form
    3,891,428.21/5,370,666.29 = 2,259,510.68/x
  3. Step 3: Cross multiply
    3,891,428.21x = 5,370,666.29 × 2,259,510.68
  4. Step 4: Simplify right side
    3,891,428.21x = 12,135,077,851,573.26
  5. Step 5: Solve for x
    x = 12,135,077,851,573.26/3,891,428.21
  6. Step 6: Final answer
    x = 3,118,412.36

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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.