Home / 2,018,855.20-3,028,817.40-881,129.20

Finding the Fourth Proportional to 2,018,855.20, 3,028,817.40 and 881,129.20

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Solution

The fourth proportional to 2,018,855.20, 3,028,817.40 and 881,129.20 is: 1,321,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,855.20 : 3,028,817.40 = 881,129.20 : x
  2. Step 2: Convert to fraction form
    2,018,855.20/3,028,817.40 = 881,129.20/x
  3. Step 3: Cross multiply
    2,018,855.20x = 3,028,817.40 × 881,129.20
  4. Step 4: Simplify right side
    2,018,855.20x = 2,668,779,452,608.08
  5. Step 5: Solve for x
    x = 2,668,779,452,608.08/2,018,855.20
  6. Step 6: Final answer
    x = 1,321,927.13

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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.