Home / 2,938,621.47-4,408,282.77-1,421,214.04

Finding the Fourth Proportional to 2,938,621.47, 4,408,282.77 and 1,421,214.04

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Solution

The fourth proportional to 2,938,621.47, 4,408,282.77 and 1,421,214.04 is: 2,131,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,621.47 : 4,408,282.77 = 1,421,214.04 : x
  2. Step 2: Convert to fraction form
    2,938,621.47/4,408,282.77 = 1,421,214.04/x
  3. Step 3: Cross multiply
    2,938,621.47x = 4,408,282.77 × 1,421,214.04
  4. Step 4: Simplify right side
    2,938,621.47x = 6,265,113,365,014.09
  5. Step 5: Solve for x
    x = 6,265,113,365,014.09/2,938,621.47
  6. Step 6: Final answer
    x = 2,131,990.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.