Home / 3,313,813.12-4,970,669.73-1,490,890.70

Finding the Fourth Proportional to 3,313,813.12, 4,970,669.73 and 1,490,890.70

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Solution

The fourth proportional to 3,313,813.12, 4,970,669.73 and 1,490,890.70 is: 2,236,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,813.12 : 4,970,669.73 = 1,490,890.70 : x
  2. Step 2: Convert to fraction form
    3,313,813.12/4,970,669.73 = 1,490,890.70/x
  3. Step 3: Cross multiply
    3,313,813.12x = 4,970,669.73 × 1,490,890.70
  4. Step 4: Simplify right side
    3,313,813.12x = 7,410,725,280,064.35
  5. Step 5: Solve for x
    x = 7,410,725,280,064.35/3,313,813.12
  6. Step 6: Final answer
    x = 2,236,313.58

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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.