Home / 3,462,486.53-4,778,082.98-1,913,668.11

Finding the Fourth Proportional to 3,462,486.53, 4,778,082.98 and 1,913,668.11

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Solution

The fourth proportional to 3,462,486.53, 4,778,082.98 and 1,913,668.11 is: 2,640,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,486.53 : 4,778,082.98 = 1,913,668.11 : x
  2. Step 2: Convert to fraction form
    3,462,486.53/4,778,082.98 = 1,913,668.11/x
  3. Step 3: Cross multiply
    3,462,486.53x = 4,778,082.98 × 1,913,668.11
  4. Step 4: Simplify right side
    3,462,486.53x = 9,143,665,016,191.43
  5. Step 5: Solve for x
    x = 9,143,665,016,191.43/3,462,486.53
  6. Step 6: Final answer
    x = 2,640,779.96

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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.