Home / 3,607,657.95-4,978,566.87-1,976,166.90

Finding the Fourth Proportional to 3,607,657.95, 4,978,566.87 and 1,976,166.90

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Solution

The fourth proportional to 3,607,657.95, 4,978,566.87 and 1,976,166.90 is: 2,727,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,657.95 : 4,978,566.87 = 1,976,166.90 : x
  2. Step 2: Convert to fraction form
    3,607,657.95/4,978,566.87 = 1,976,166.90/x
  3. Step 3: Cross multiply
    3,607,657.95x = 4,978,566.87 × 1,976,166.90
  4. Step 4: Simplify right side
    3,607,657.95x = 9,838,479,057,930.60
  5. Step 5: Solve for x
    x = 9,838,479,057,930.60/3,607,657.95
  6. Step 6: Final answer
    x = 2,727,109.72

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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.