Home / 1,993,275.60-2,989,913.40-1,194,145.80

Finding the Fourth Proportional to 1,993,275.60, 2,989,913.40 and 1,194,145.80

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Solution

The fourth proportional to 1,993,275.60, 2,989,913.40 and 1,194,145.80 is: 1,791,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,275.60 : 2,989,913.40 = 1,194,145.80 : x
  2. Step 2: Convert to fraction form
    1,993,275.60/2,989,913.40 = 1,194,145.80/x
  3. Step 3: Cross multiply
    1,993,275.60x = 2,989,913.40 × 1,194,145.80
  4. Step 4: Simplify right side
    1,993,275.60x = 3,570,392,528,973.72
  5. Step 5: Solve for x
    x = 3,570,392,528,973.72/1,993,275.60
  6. Step 6: Final answer
    x = 1,791,218.70

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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.