Home / 2,660,240.70-3,669,816.78-1,571,985.72

Finding the Fourth Proportional to 2,660,240.70, 3,669,816.78 and 1,571,985.72

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Solution

The fourth proportional to 2,660,240.70, 3,669,816.78 and 1,571,985.72 is: 2,168,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,240.70 : 3,669,816.78 = 1,571,985.72 : x
  2. Step 2: Convert to fraction form
    2,660,240.70/3,669,816.78 = 1,571,985.72/x
  3. Step 3: Cross multiply
    2,660,240.70x = 3,669,816.78 × 1,571,985.72
  4. Step 4: Simplify right side
    2,660,240.70x = 5,768,899,573,176.38
  5. Step 5: Solve for x
    x = 5,768,899,573,176.38/2,660,240.70
  6. Step 6: Final answer
    x = 2,168,563.01

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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.