Home / 2,119,779.78-3,175,664.34-1,252,628.07

Finding the Fourth Proportional to 2,119,779.78, 3,175,664.34 and 1,252,628.07

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Solution

The fourth proportional to 2,119,779.78, 3,175,664.34 and 1,252,628.07 is: 1,876,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,779.78 : 3,175,664.34 = 1,252,628.07 : x
  2. Step 2: Convert to fraction form
    2,119,779.78/3,175,664.34 = 1,252,628.07/x
  3. Step 3: Cross multiply
    2,119,779.78x = 3,175,664.34 × 1,252,628.07
  4. Step 4: Simplify right side
    2,119,779.78x = 3,977,926,293,182.02
  5. Step 5: Solve for x
    x = 3,977,926,293,182.02/2,119,779.78
  6. Step 6: Final answer
    x = 1,876,575.26

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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.