Home / 1,906,629.60-2,631,164.40-1,047,200.16

Finding the Fourth Proportional to 1,906,629.60, 2,631,164.40 and 1,047,200.16

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Solution

The fourth proportional to 1,906,629.60, 2,631,164.40 and 1,047,200.16 is: 1,445,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,629.60 : 2,631,164.40 = 1,047,200.16 : x
  2. Step 2: Convert to fraction form
    1,906,629.60/2,631,164.40 = 1,047,200.16/x
  3. Step 3: Cross multiply
    1,906,629.60x = 2,631,164.40 × 1,047,200.16
  4. Step 4: Simplify right side
    1,906,629.60x = 2,755,355,780,666.30
  5. Step 5: Solve for x
    x = 2,755,355,780,666.30/1,906,629.60
  6. Step 6: Final answer
    x = 1,445,144.76

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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.