Home / 2,297,445.23-3,170,421.85-1,438,479.11

Finding the Fourth Proportional to 2,297,445.23, 3,170,421.85 and 1,438,479.11

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Solution

The fourth proportional to 2,297,445.23, 3,170,421.85 and 1,438,479.11 is: 1,985,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297,445.23 : 3,170,421.85 = 1,438,479.11 : x
  2. Step 2: Convert to fraction form
    2,297,445.23/3,170,421.85 = 1,438,479.11/x
  3. Step 3: Cross multiply
    2,297,445.23x = 3,170,421.85 × 1,438,479.11
  4. Step 4: Simplify right side
    2,297,445.23x = 4,560,585,601,112.55
  5. Step 5: Solve for x
    x = 4,560,585,601,112.55/2,297,445.23
  6. Step 6: Final answer
    x = 1,985,068.26

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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.