Home / 3,456,015.10-5,184,022.65-1,686,543.10

Finding the Fourth Proportional to 3,456,015.10, 5,184,022.65 and 1,686,543.10

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Solution

The fourth proportional to 3,456,015.10, 5,184,022.65 and 1,686,543.10 is: 2,529,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,015.10 : 5,184,022.65 = 1,686,543.10 : x
  2. Step 2: Convert to fraction form
    3,456,015.10/5,184,022.65 = 1,686,543.10/x
  3. Step 3: Cross multiply
    3,456,015.10x = 5,184,022.65 × 1,686,543.10
  4. Step 4: Simplify right side
    3,456,015.10x = 8,743,077,630,601.22
  5. Step 5: Solve for x
    x = 8,743,077,630,601.22/3,456,015.10
  6. Step 6: Final answer
    x = 2,529,814.65

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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.