Home / 3,122,578.79-4,307,839.21-2,090,419.10

Finding the Fourth Proportional to 3,122,578.79, 4,307,839.21 and 2,090,419.10

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Solution

The fourth proportional to 3,122,578.79, 4,307,839.21 and 2,090,419.10 is: 2,883,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,578.79 : 4,307,839.21 = 2,090,419.10 : x
  2. Step 2: Convert to fraction form
    3,122,578.79/4,307,839.21 = 2,090,419.10/x
  3. Step 3: Cross multiply
    3,122,578.79x = 4,307,839.21 × 2,090,419.10
  4. Step 4: Simplify right side
    3,122,578.79x = 9,005,189,364,312.91
  5. Step 5: Solve for x
    x = 9,005,189,364,312.91/3,122,578.79
  6. Step 6: Final answer
    x = 2,883,895.00

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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.