Home / 2,810,728.62-3,878,801.01-1,521,568.67

Finding the Fourth Proportional to 2,810,728.62, 3,878,801.01 and 1,521,568.67

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Solution

The fourth proportional to 2,810,728.62, 3,878,801.01 and 1,521,568.67 is: 2,099,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,728.62 : 3,878,801.01 = 1,521,568.67 : x
  2. Step 2: Convert to fraction form
    2,810,728.62/3,878,801.01 = 1,521,568.67/x
  3. Step 3: Cross multiply
    2,810,728.62x = 3,878,801.01 × 1,521,568.67
  4. Step 4: Simplify right side
    2,810,728.62x = 5,901,862,074,586.35
  5. Step 5: Solve for x
    x = 5,901,862,074,586.35/2,810,728.62
  6. Step 6: Final answer
    x = 2,099,762.33

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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.