Home / 3,919,466.79-5,408,823.74-2,200,547.43

Finding the Fourth Proportional to 3,919,466.79, 5,408,823.74 and 2,200,547.43

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Solution

The fourth proportional to 3,919,466.79, 5,408,823.74 and 2,200,547.43 is: 3,036,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,466.79 : 5,408,823.74 = 2,200,547.43 : x
  2. Step 2: Convert to fraction form
    3,919,466.79/5,408,823.74 = 2,200,547.43/x
  3. Step 3: Cross multiply
    3,919,466.79x = 5,408,823.74 × 2,200,547.43
  4. Step 4: Simplify right side
    3,919,466.79x = 11,902,373,169,377.25
  5. Step 5: Solve for x
    x = 11,902,373,169,377.25/3,919,466.79
  6. Step 6: Final answer
    x = 3,036,732.75

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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.