Home / 2,800,271.80-4,200,407.70-2,601,206.20

Finding the Fourth Proportional to 2,800,271.80, 4,200,407.70 and 2,601,206.20

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Solution

The fourth proportional to 2,800,271.80, 4,200,407.70 and 2,601,206.20 is: 3,901,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,271.80 : 4,200,407.70 = 2,601,206.20 : x
  2. Step 2: Convert to fraction form
    2,800,271.80/4,200,407.70 = 2,601,206.20/x
  3. Step 3: Cross multiply
    2,800,271.80x = 4,200,407.70 × 2,601,206.20
  4. Step 4: Simplify right side
    2,800,271.80x = 10,926,126,551,767.74
  5. Step 5: Solve for x
    x = 10,926,126,551,767.74/2,800,271.80
  6. Step 6: Final answer
    x = 3,901,809.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.