Home / 3,428,100.51-4,730,676.17-1,879,309.21

Finding the Fourth Proportional to 3,428,100.51, 4,730,676.17 and 1,879,309.21

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Solution

The fourth proportional to 3,428,100.51, 4,730,676.17 and 1,879,309.21 is: 2,593,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,100.51 : 4,730,676.17 = 1,879,309.21 : x
  2. Step 2: Convert to fraction form
    3,428,100.51/4,730,676.17 = 1,879,309.21/x
  3. Step 3: Cross multiply
    3,428,100.51x = 4,730,676.17 × 1,879,309.21
  4. Step 4: Simplify right side
    3,428,100.51x = 8,890,403,272,155.15
  5. Step 5: Solve for x
    x = 8,890,403,272,155.15/3,428,100.51
  6. Step 6: Final answer
    x = 2,593,390.50

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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.