Home / 2,380,917.50-3,285,690-1,293,210.38

Finding the Fourth Proportional to 2,380,917.50, 3,285,690 and 1,293,210.38

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Solution

The fourth proportional to 2,380,917.50, 3,285,690 and 1,293,210.38 is: 1,784,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,917.50 : 3,285,690 = 1,293,210.38 : x
  2. Step 2: Convert to fraction form
    2,380,917.50/3,285,690 = 1,293,210.38/x
  3. Step 3: Cross multiply
    2,380,917.50x = 3,285,690 × 1,293,210.38
  4. Step 4: Simplify right side
    2,380,917.50x = 4,249,088,413,462.20
  5. Step 5: Solve for x
    x = 4,249,088,413,462.20/2,380,917.50
  6. Step 6: Final answer
    x = 1,784,643.28

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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.