Home / 5,426,871.83-7,489,293.74-2,979,586.03

Finding the Fourth Proportional to 5,426,871.83, 7,489,293.74 and 2,979,586.03

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Solution

The fourth proportional to 5,426,871.83, 7,489,293.74 and 2,979,586.03 is: 4,111,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,871.83 : 7,489,293.74 = 2,979,586.03 : x
  2. Step 2: Convert to fraction form
    5,426,871.83/7,489,293.74 = 2,979,586.03/x
  3. Step 3: Cross multiply
    5,426,871.83x = 7,489,293.74 × 2,979,586.03
  4. Step 4: Simplify right side
    5,426,871.83x = 22,314,995,002,270.45
  5. Step 5: Solve for x
    x = 22,314,995,002,270.45/5,426,871.83
  6. Step 6: Final answer
    x = 4,111,944.36

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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.