Home / 3,609,636.61-5,411,643.60-1,786,743.22

Finding the Fourth Proportional to 3,609,636.61, 5,411,643.60 and 1,786,743.22

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Solution

The fourth proportional to 3,609,636.61, 5,411,643.60 and 1,786,743.22 is: 2,678,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,636.61 : 5,411,643.60 = 1,786,743.22 : x
  2. Step 2: Convert to fraction form
    3,609,636.61/5,411,643.60 = 1,786,743.22/x
  3. Step 3: Cross multiply
    3,609,636.61x = 5,411,643.60 × 1,786,743.22
  4. Step 4: Simplify right side
    3,609,636.61x = 9,669,217,511,356.39
  5. Step 5: Solve for x
    x = 9,669,217,511,356.39/3,609,636.61
  6. Step 6: Final answer
    x = 2,678,723.25

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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.