Home / 5,281,878.38-7,289,022.48-3,106,513.22

Finding the Fourth Proportional to 5,281,878.38, 7,289,022.48 and 3,106,513.22

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Solution

The fourth proportional to 5,281,878.38, 7,289,022.48 and 3,106,513.22 is: 4,287,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,878.38 : 7,289,022.48 = 3,106,513.22 : x
  2. Step 2: Convert to fraction form
    5,281,878.38/7,289,022.48 = 3,106,513.22/x
  3. Step 3: Cross multiply
    5,281,878.38x = 7,289,022.48 × 3,106,513.22
  4. Step 4: Simplify right side
    5,281,878.38x = 22,643,444,694,997.19
  5. Step 5: Solve for x
    x = 22,643,444,694,997.19/5,281,878.38
  6. Step 6: Final answer
    x = 4,287,006.07

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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.