Home / 2,131,017.16-3,197,786.84-784,125.58

Finding the Fourth Proportional to 2,131,017.16, 3,197,786.84 and 784,125.58

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Solution

The fourth proportional to 2,131,017.16, 3,197,786.84 and 784,125.58 is: 1,176,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,017.16 : 3,197,786.84 = 784,125.58 : x
  2. Step 2: Convert to fraction form
    2,131,017.16/3,197,786.84 = 784,125.58/x
  3. Step 3: Cross multiply
    2,131,017.16x = 3,197,786.84 × 784,125.58
  4. Step 4: Simplify right side
    2,131,017.16x = 2,507,466,460,631.37
  5. Step 5: Solve for x
    x = 2,507,466,460,631.37/2,131,017.16
  6. Step 6: Final answer
    x = 1,176,652.40

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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.