Home / 2,689,308.79-3,710,821.64-1,511,675.36

Finding the Fourth Proportional to 2,689,308.79, 3,710,821.64 and 1,511,675.36

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Solution

The fourth proportional to 2,689,308.79, 3,710,821.64 and 1,511,675.36 is: 2,085,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,308.79 : 3,710,821.64 = 1,511,675.36 : x
  2. Step 2: Convert to fraction form
    2,689,308.79/3,710,821.64 = 1,511,675.36/x
  3. Step 3: Cross multiply
    2,689,308.79x = 3,710,821.64 × 1,511,675.36
  4. Step 4: Simplify right side
    2,689,308.79x = 5,609,557,630,597.47
  5. Step 5: Solve for x
    x = 5,609,557,630,597.47/2,689,308.79
  6. Step 6: Final answer
    x = 2,085,873.38

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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.