Home / 2,891,705.10-3,990,992.58-1,845,577.86

Finding the Fourth Proportional to 2,891,705.10, 3,990,992.58 and 1,845,577.86

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Solution

The fourth proportional to 2,891,705.10, 3,990,992.58 and 1,845,577.86 is: 2,547,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,705.10 : 3,990,992.58 = 1,845,577.86 : x
  2. Step 2: Convert to fraction form
    2,891,705.10/3,990,992.58 = 1,845,577.86/x
  3. Step 3: Cross multiply
    2,891,705.10x = 3,990,992.58 × 1,845,577.86
  4. Step 4: Simplify right side
    2,891,705.10x = 7,365,687,545,072.28
  5. Step 5: Solve for x
    x = 7,365,687,545,072.28/2,891,705.10
  6. Step 6: Final answer
    x = 2,547,177.98

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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.