Home / 3,428,107.80-4,730,686.23-1,879,316.54

Finding the Fourth Proportional to 3,428,107.80, 4,730,686.23 and 1,879,316.54

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Solution

The fourth proportional to 3,428,107.80, 4,730,686.23 and 1,879,316.54 is: 2,593,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,107.80 : 4,730,686.23 = 1,879,316.54 : x
  2. Step 2: Convert to fraction form
    3,428,107.80/4,730,686.23 = 1,879,316.54/x
  3. Step 3: Cross multiply
    3,428,107.80x = 4,730,686.23 × 1,879,316.54
  4. Step 4: Simplify right side
    3,428,107.80x = 8,890,456,889,415.96
  5. Step 5: Solve for x
    x = 8,890,456,889,415.96/3,428,107.80
  6. Step 6: Final answer
    x = 2,593,400.62

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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.