Home / 3,819,511.18-5,269,633.86-2,165,480.74

Finding the Fourth Proportional to 3,819,511.18, 5,269,633.86 and 2,165,480.74

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Solution

The fourth proportional to 3,819,511.18, 5,269,633.86 and 2,165,480.74 is: 2,987,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,511.18 : 5,269,633.86 = 2,165,480.74 : x
  2. Step 2: Convert to fraction form
    3,819,511.18/5,269,633.86 = 2,165,480.74/x
  3. Step 3: Cross multiply
    3,819,511.18x = 5,269,633.86 × 2,165,480.74
  4. Step 4: Simplify right side
    3,819,511.18x = 11,411,290,630,681.86
  5. Step 5: Solve for x
    x = 11,411,290,630,681.86/3,819,511.18
  6. Step 6: Final answer
    x = 2,987,631.16

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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.