Home / 1,528,100.60-2,287,485.30-1,192,177.40

Finding the Fourth Proportional to 1,528,100.60, 2,287,485.30 and 1,192,177.40

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Solution

The fourth proportional to 1,528,100.60, 2,287,485.30 and 1,192,177.40 is: 1,784,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,100.60 : 2,287,485.30 = 1,192,177.40 : x
  2. Step 2: Convert to fraction form
    1,528,100.60/2,287,485.30 = 1,192,177.40/x
  3. Step 3: Cross multiply
    1,528,100.60x = 2,287,485.30 × 1,192,177.40
  4. Step 4: Simplify right side
    1,528,100.60x = 2,727,088,277,492.22
  5. Step 5: Solve for x
    x = 2,727,088,277,492.22/1,528,100.60
  6. Step 6: Final answer
    x = 1,784,626.14

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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.