Home / 2,115,394.90-2,919,244.86-1,148,525.31

Finding the Fourth Proportional to 2,115,394.90, 2,919,244.86 and 1,148,525.31

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Solution

The fourth proportional to 2,115,394.90, 2,919,244.86 and 1,148,525.31 is: 1,584,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,394.90 : 2,919,244.86 = 1,148,525.31 : x
  2. Step 2: Convert to fraction form
    2,115,394.90/2,919,244.86 = 1,148,525.31/x
  3. Step 3: Cross multiply
    2,115,394.90x = 2,919,244.86 × 1,148,525.31
  4. Step 4: Simplify right side
    2,115,394.90x = 3,352,826,600,499.29
  5. Step 5: Solve for x
    x = 3,352,826,600,499.29/2,115,394.90
  6. Step 6: Final answer
    x = 1,584,964.87

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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.