Home / 3,281,201.70-4,921,802.55-1,686,878.70

Finding the Fourth Proportional to 3,281,201.70, 4,921,802.55 and 1,686,878.70

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Solution

The fourth proportional to 3,281,201.70, 4,921,802.55 and 1,686,878.70 is: 2,530,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,201.70 : 4,921,802.55 = 1,686,878.70 : x
  2. Step 2: Convert to fraction form
    3,281,201.70/4,921,802.55 = 1,686,878.70/x
  3. Step 3: Cross multiply
    3,281,201.70x = 4,921,802.55 × 1,686,878.70
  4. Step 4: Simplify right side
    3,281,201.70x = 8,302,483,887,200.69
  5. Step 5: Solve for x
    x = 8,302,483,887,200.69/3,281,201.70
  6. Step 6: Final answer
    x = 2,530,318.05

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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.