Home / 3,240,148.21-4,468,055.38-2,782,777.21

Finding the Fourth Proportional to 3,240,148.21, 4,468,055.38 and 2,782,777.21

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Solution

The fourth proportional to 3,240,148.21, 4,468,055.38 and 2,782,777.21 is: 3,837,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,148.21 : 4,468,055.38 = 2,782,777.21 : x
  2. Step 2: Convert to fraction form
    3,240,148.21/4,468,055.38 = 2,782,777.21/x
  3. Step 3: Cross multiply
    3,240,148.21x = 4,468,055.38 × 2,782,777.21
  4. Step 4: Simplify right side
    3,240,148.21x = 12,433,602,684,481.89
  5. Step 5: Solve for x
    x = 12,433,602,684,481.89/3,240,148.21
  6. Step 6: Final answer
    x = 3,837,356.16

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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.