Home / 2,617,724.20-3,926,586.30-1,420,220.20

Finding the Fourth Proportional to 2,617,724.20, 3,926,586.30 and 1,420,220.20

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Solution

The fourth proportional to 2,617,724.20, 3,926,586.30 and 1,420,220.20 is: 2,130,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,724.20 : 3,926,586.30 = 1,420,220.20 : x
  2. Step 2: Convert to fraction form
    2,617,724.20/3,926,586.30 = 1,420,220.20/x
  3. Step 3: Cross multiply
    2,617,724.20x = 3,926,586.30 × 1,420,220.20
  4. Step 4: Simplify right side
    2,617,724.20x = 5,576,617,180,303.26
  5. Step 5: Solve for x
    x = 5,576,617,180,303.26/2,617,724.20
  6. Step 6: Final answer
    x = 2,130,330.30

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Similar ratio
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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.