Home / 3,693,117.40-5,097,352.08-2,165,716.60

Finding the Fourth Proportional to 3,693,117.40, 5,097,352.08 and 2,165,716.60

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Solution

The fourth proportional to 3,693,117.40, 5,097,352.08 and 2,165,716.60 is: 2,989,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693,117.40 : 5,097,352.08 = 2,165,716.60 : x
  2. Step 2: Convert to fraction form
    3,693,117.40/5,097,352.08 = 2,165,716.60/x
  3. Step 3: Cross multiply
    3,693,117.40x = 5,097,352.08 × 2,165,716.60
  4. Step 4: Simplify right side
    3,693,117.40x = 11,039,420,015,700.53
  5. Step 5: Solve for x
    x = 11,039,420,015,700.53/3,693,117.40
  6. Step 6: Final answer
    x = 2,989,187.40

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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.