Home / 3,688,542.87-5,090,216.09-2,057,055.45

Finding the Fourth Proportional to 3,688,542.87, 5,090,216.09 and 2,057,055.45

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Solution

The fourth proportional to 3,688,542.87, 5,090,216.09 and 2,057,055.45 is: 2,838,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,542.87 : 5,090,216.09 = 2,057,055.45 : x
  2. Step 2: Convert to fraction form
    3,688,542.87/5,090,216.09 = 2,057,055.45/x
  3. Step 3: Cross multiply
    3,688,542.87x = 5,090,216.09 × 2,057,055.45
  4. Step 4: Simplify right side
    3,688,542.87x = 10,470,856,739,326.91
  5. Step 5: Solve for x
    x = 10,470,856,739,326.91/3,688,542.87
  6. Step 6: Final answer
    x = 2,838,751.54

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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.