Home / 3,580,676.51-4,941,396.63-1,949,130.77

Finding the Fourth Proportional to 3,580,676.51, 4,941,396.63 and 1,949,130.77

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Solution

The fourth proportional to 3,580,676.51, 4,941,396.63 and 1,949,130.77 is: 2,689,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,676.51 : 4,941,396.63 = 1,949,130.77 : x
  2. Step 2: Convert to fraction form
    3,580,676.51/4,941,396.63 = 1,949,130.77/x
  3. Step 3: Cross multiply
    3,580,676.51x = 4,941,396.63 × 1,949,130.77
  4. Step 4: Simplify right side
    3,580,676.51x = 9,631,428,193,600.32
  5. Step 5: Solve for x
    x = 9,631,428,193,600.32/3,580,676.51
  6. Step 6: Final answer
    x = 2,689,834.78

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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.