Home / 3,678,963.90-5,077,136.07-2,069,331.90

Finding the Fourth Proportional to 3,678,963.90, 5,077,136.07 and 2,069,331.90

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Solution

The fourth proportional to 3,678,963.90, 5,077,136.07 and 2,069,331.90 is: 2,855,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,963.90 : 5,077,136.07 = 2,069,331.90 : x
  2. Step 2: Convert to fraction form
    3,678,963.90/5,077,136.07 = 2,069,331.90/x
  3. Step 3: Cross multiply
    3,678,963.90x = 5,077,136.07 × 2,069,331.90
  4. Step 4: Simplify right side
    3,678,963.90x = 10,506,279,630,291.63
  5. Step 5: Solve for x
    x = 10,506,279,630,291.63/3,678,963.90
  6. Step 6: Final answer
    x = 2,855,771.33

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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.