Home / 3,389,525.41-4,678,976.45-2,288,448.40

Finding the Fourth Proportional to 3,389,525.41, 4,678,976.45 and 2,288,448.40

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Solution

The fourth proportional to 3,389,525.41, 4,678,976.45 and 2,288,448.40 is: 3,159,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,525.41 : 4,678,976.45 = 2,288,448.40 : x
  2. Step 2: Convert to fraction form
    3,389,525.41/4,678,976.45 = 2,288,448.40/x
  3. Step 3: Cross multiply
    3,389,525.41x = 4,678,976.45 × 2,288,448.40
  4. Step 4: Simplify right side
    3,389,525.41x = 10,707,596,170,640.18
  5. Step 5: Solve for x
    x = 10,707,596,170,640.18/3,389,525.41
  6. Step 6: Final answer
    x = 3,159,025.20

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1.5x scale

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.