Home / 3,348,993.83-5,017,152.02-1,978,669.49

Finding the Fourth Proportional to 3,348,993.83, 5,017,152.02 and 1,978,669.49

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Solution

The fourth proportional to 3,348,993.83, 5,017,152.02 and 1,978,669.49 is: 2,964,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,993.83 : 5,017,152.02 = 1,978,669.49 : x
  2. Step 2: Convert to fraction form
    3,348,993.83/5,017,152.02 = 1,978,669.49/x
  3. Step 3: Cross multiply
    3,348,993.83x = 5,017,152.02 × 1,978,669.49
  4. Step 4: Simplify right side
    3,348,993.83x = 9,927,285,593,686.76
  5. Step 5: Solve for x
    x = 9,927,285,593,686.76/3,348,993.83
  6. Step 6: Final answer
    x = 2,964,259.15

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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.