Home / 3,201,746.40-4,803,336-1,686,142.80

Finding the Fourth Proportional to 3,201,746.40, 4,803,336 and 1,686,142.80

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Solution

The fourth proportional to 3,201,746.40, 4,803,336 and 1,686,142.80 is: 2,529,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,746.40 : 4,803,336 = 1,686,142.80 : x
  2. Step 2: Convert to fraction form
    3,201,746.40/4,803,336 = 1,686,142.80/x
  3. Step 3: Cross multiply
    3,201,746.40x = 4,803,336 × 1,686,142.80
  4. Step 4: Simplify right side
    3,201,746.40x = 8,099,110,412,380.80
  5. Step 5: Solve for x
    x = 8,099,110,412,380.80/3,201,746.40
  6. Step 6: Final answer
    x = 2,529,591.48

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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.