Home / 5,200,803.90-7,798,095.45-2,681,379.90

Finding the Fourth Proportional to 5,200,803.90, 7,798,095.45 and 2,681,379.90

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Solution

The fourth proportional to 5,200,803.90, 7,798,095.45 and 2,681,379.90 is: 4,020,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,803.90 : 7,798,095.45 = 2,681,379.90 : x
  2. Step 2: Convert to fraction form
    5,200,803.90/7,798,095.45 = 2,681,379.90/x
  3. Step 3: Cross multiply
    5,200,803.90x = 7,798,095.45 × 2,681,379.90
  4. Step 4: Simplify right side
    5,200,803.90x = 20,909,656,397,911.45
  5. Step 5: Solve for x
    x = 20,909,656,397,911.45/5,200,803.90
  6. Step 6: Final answer
    x = 4,020,466.22

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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.