Home / 5,642,634.80-7,788,606.36-3,605,452.40

Finding the Fourth Proportional to 5,642,634.80, 7,788,606.36 and 3,605,452.40

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Solution

The fourth proportional to 5,642,634.80, 7,788,606.36 and 3,605,452.40 is: 4,976,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,634.80 : 7,788,606.36 = 3,605,452.40 : x
  2. Step 2: Convert to fraction form
    5,642,634.80/7,788,606.36 = 3,605,452.40/x
  3. Step 3: Cross multiply
    5,642,634.80x = 7,788,606.36 × 3,605,452.40
  4. Step 4: Simplify right side
    5,642,634.80x = 28,081,449,493,317.27
  5. Step 5: Solve for x
    x = 28,081,449,493,317.27/5,642,634.80
  6. Step 6: Final answer
    x = 4,976,655.50

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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.