Home / 2,089,456.40-3,134,184.60-1,963,485.20

Finding the Fourth Proportional to 2,089,456.40, 3,134,184.60 and 1,963,485.20

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Solution

The fourth proportional to 2,089,456.40, 3,134,184.60 and 1,963,485.20 is: 2,945,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,456.40 : 3,134,184.60 = 1,963,485.20 : x
  2. Step 2: Convert to fraction form
    2,089,456.40/3,134,184.60 = 1,963,485.20/x
  3. Step 3: Cross multiply
    2,089,456.40x = 3,134,184.60 × 1,963,485.20
  4. Step 4: Simplify right side
    2,089,456.40x = 6,153,925,076,167.92
  5. Step 5: Solve for x
    x = 6,153,925,076,167.92/2,089,456.40
  6. Step 6: Final answer
    x = 2,945,227.80

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Double scale
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Similar ratio
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1.5x scale

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.