Home / 2,821,271.92-3,894,547.18-1,904,742.59

Finding the Fourth Proportional to 2,821,271.92, 3,894,547.18 and 1,904,742.59

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Solution

The fourth proportional to 2,821,271.92, 3,894,547.18 and 1,904,742.59 is: 2,629,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,271.92 : 3,894,547.18 = 1,904,742.59 : x
  2. Step 2: Convert to fraction form
    2,821,271.92/3,894,547.18 = 1,904,742.59/x
  3. Step 3: Cross multiply
    2,821,271.92x = 3,894,547.18 × 1,904,742.59
  4. Step 4: Simplify right side
    2,821,271.92x = 7,418,109,883,754.02
  5. Step 5: Solve for x
    x = 7,418,109,883,754.02/2,821,271.92
  6. Step 6: Final answer
    x = 2,629,349.49

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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.