Home / 5,217,206.40-7,825,809.60-3,201,667.20

Finding the Fourth Proportional to 5,217,206.40, 7,825,809.60 and 3,201,667.20

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Solution

The fourth proportional to 5,217,206.40, 7,825,809.60 and 3,201,667.20 is: 4,802,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,206.40 : 7,825,809.60 = 3,201,667.20 : x
  2. Step 2: Convert to fraction form
    5,217,206.40/7,825,809.60 = 3,201,667.20/x
  3. Step 3: Cross multiply
    5,217,206.40x = 7,825,809.60 × 3,201,667.20
  4. Step 4: Simplify right side
    5,217,206.40x = 25,055,637,909,765.12
  5. Step 5: Solve for x
    x = 25,055,637,909,765.12/5,217,206.40
  6. Step 6: Final answer
    x = 4,802,500.80

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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.