Home / 1,752,175.40-2,624,115.90-1,188,156.20

Finding the Fourth Proportional to 1,752,175.40, 2,624,115.90 and 1,188,156.20

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Solution

The fourth proportional to 1,752,175.40, 2,624,115.90 and 1,188,156.20 is: 1,779,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,175.40 : 2,624,115.90 = 1,188,156.20 : x
  2. Step 2: Convert to fraction form
    1,752,175.40/2,624,115.90 = 1,188,156.20/x
  3. Step 3: Cross multiply
    1,752,175.40x = 2,624,115.90 × 1,188,156.20
  4. Step 4: Simplify right side
    1,752,175.40x = 3,117,859,576,103.58
  5. Step 5: Solve for x
    x = 3,117,859,576,103.58/1,752,175.40
  6. Step 6: Final answer
    x = 1,779,422.07

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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.