Home / 3,436,135.02-5,146,355.44-1,640,279.63

Finding the Fourth Proportional to 3,436,135.02, 5,146,355.44 and 1,640,279.63

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Solution

The fourth proportional to 3,436,135.02, 5,146,355.44 and 1,640,279.63 is: 2,456,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,135.02 : 5,146,355.44 = 1,640,279.63 : x
  2. Step 2: Convert to fraction form
    3,436,135.02/5,146,355.44 = 1,640,279.63/x
  3. Step 3: Cross multiply
    3,436,135.02x = 5,146,355.44 × 1,640,279.63
  4. Step 4: Simplify right side
    3,436,135.02x = 8,441,461,996,971.69
  5. Step 5: Solve for x
    x = 8,441,461,996,971.69/3,436,135.02
  6. Step 6: Final answer
    x = 2,456,673.54

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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.