Home / 2,766,586.60-4,149,879.90-1,698,164.20

Finding the Fourth Proportional to 2,766,586.60, 4,149,879.90 and 1,698,164.20

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Solution

The fourth proportional to 2,766,586.60, 4,149,879.90 and 1,698,164.20 is: 2,547,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,586.60 : 4,149,879.90 = 1,698,164.20 : x
  2. Step 2: Convert to fraction form
    2,766,586.60/4,149,879.90 = 1,698,164.20/x
  3. Step 3: Cross multiply
    2,766,586.60x = 4,149,879.90 × 1,698,164.20
  4. Step 4: Simplify right side
    2,766,586.60x = 7,047,177,480,479.58
  5. Step 5: Solve for x
    x = 7,047,177,480,479.58/2,766,586.60
  6. Step 6: Final answer
    x = 2,547,246.30

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Double scale
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Similar ratio
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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.