Home / 2,526,079.72-3,485,948.82-1,380,135.40

Finding the Fourth Proportional to 2,526,079.72, 3,485,948.82 and 1,380,135.40

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Solution

The fourth proportional to 2,526,079.72, 3,485,948.82 and 1,380,135.40 is: 1,904,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526,079.72 : 3,485,948.82 = 1,380,135.40 : x
  2. Step 2: Convert to fraction form
    2,526,079.72/3,485,948.82 = 1,380,135.40/x
  3. Step 3: Cross multiply
    2,526,079.72x = 3,485,948.82 × 1,380,135.40
  4. Step 4: Simplify right side
    2,526,079.72x = 4,811,081,369,070.23
  5. Step 5: Solve for x
    x = 4,811,081,369,070.23/2,526,079.72
  6. Step 6: Final answer
    x = 1,904,564.35

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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.