Home / 1,683,108.28-2,525,916.36-1,234,987.12

Finding the Fourth Proportional to 1,683,108.28, 2,525,916.36 and 1,234,987.12

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Solution

The fourth proportional to 1,683,108.28, 2,525,916.36 and 1,234,987.12 is: 1,853,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,108.28 : 2,525,916.36 = 1,234,987.12 : x
  2. Step 2: Convert to fraction form
    1,683,108.28/2,525,916.36 = 1,234,987.12/x
  3. Step 3: Cross multiply
    1,683,108.28x = 2,525,916.36 × 1,234,987.12
  4. Step 4: Simplify right side
    1,683,108.28x = 3,119,474,170,797.28
  5. Step 5: Solve for x
    x = 3,119,474,170,797.28/1,683,108.28
  6. Step 6: Final answer
    x = 1,853,400.76

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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.