Home / 2,678,403.07-3,695,621.20-1,591,041.25

Finding the Fourth Proportional to 2,678,403.07, 3,695,621.20 and 1,591,041.25

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Solution

The fourth proportional to 2,678,403.07, 3,695,621.20 and 1,591,041.25 is: 2,195,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,403.07 : 3,695,621.20 = 1,591,041.25 : x
  2. Step 2: Convert to fraction form
    2,678,403.07/3,695,621.20 = 1,591,041.25/x
  3. Step 3: Cross multiply
    2,678,403.07x = 3,695,621.20 × 1,591,041.25
  4. Step 4: Simplify right side
    2,678,403.07x = 5,879,885,783,166.03
  5. Step 5: Solve for x
    x = 5,879,885,783,166.03/2,678,403.07
  6. Step 6: Final answer
    x = 2,195,295.34

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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.