Home / 1,716,199.20-2,574,298.80-1,318,845.60

Finding the Fourth Proportional to 1,716,199.20, 2,574,298.80 and 1,318,845.60

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Solution

The fourth proportional to 1,716,199.20, 2,574,298.80 and 1,318,845.60 is: 1,978,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,199.20 : 2,574,298.80 = 1,318,845.60 : x
  2. Step 2: Convert to fraction form
    1,716,199.20/2,574,298.80 = 1,318,845.60/x
  3. Step 3: Cross multiply
    1,716,199.20x = 2,574,298.80 × 1,318,845.60
  4. Step 4: Simplify right side
    1,716,199.20x = 3,395,102,645,465.28
  5. Step 5: Solve for x
    x = 3,395,102,645,465.28/1,716,199.20
  6. Step 6: Final answer
    x = 1,978,268.40

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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.