Home / 1,528,101.60-2,287,486.80-1,192,178.40

Finding the Fourth Proportional to 1,528,101.60, 2,287,486.80 and 1,192,178.40

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Solution

The fourth proportional to 1,528,101.60, 2,287,486.80 and 1,192,178.40 is: 1,784,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,101.60 : 2,287,486.80 = 1,192,178.40 : x
  2. Step 2: Convert to fraction form
    1,528,101.60/2,287,486.80 = 1,192,178.40/x
  3. Step 3: Cross multiply
    1,528,101.60x = 2,287,486.80 × 1,192,178.40
  4. Step 4: Simplify right side
    1,528,101.60x = 2,727,092,353,245.12
  5. Step 5: Solve for x
    x = 2,727,092,353,245.12/1,528,101.60
  6. Step 6: Final answer
    x = 1,784,627.64

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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.