Home / 1,826,138.90-2,520,878.80-1,091,352.38

Finding the Fourth Proportional to 1,826,138.90, 2,520,878.80 and 1,091,352.38

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Solution

The fourth proportional to 1,826,138.90, 2,520,878.80 and 1,091,352.38 is: 1,506,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,138.90 : 2,520,878.80 = 1,091,352.38 : x
  2. Step 2: Convert to fraction form
    1,826,138.90/2,520,878.80 = 1,091,352.38/x
  3. Step 3: Cross multiply
    1,826,138.90x = 2,520,878.80 × 1,091,352.38
  4. Step 4: Simplify right side
    1,826,138.90x = 2,751,167,078,071.54
  5. Step 5: Solve for x
    x = 2,751,167,078,071.54/1,826,138.90
  6. Step 6: Final answer
    x = 1,506,548.64

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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.