Home / 3,783,276.18-5,221,078.02-2,151,970.74

Finding the Fourth Proportional to 3,783,276.18, 5,221,078.02 and 2,151,970.74

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Solution

The fourth proportional to 3,783,276.18, 5,221,078.02 and 2,151,970.74 is: 2,969,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,276.18 : 5,221,078.02 = 2,151,970.74 : x
  2. Step 2: Convert to fraction form
    3,783,276.18/5,221,078.02 = 2,151,970.74/x
  3. Step 3: Cross multiply
    3,783,276.18x = 5,221,078.02 × 2,151,970.74
  4. Step 4: Simplify right side
    3,783,276.18x = 11,235,607,130,297.13
  5. Step 5: Solve for x
    x = 11,235,607,130,297.13/3,783,276.18
  6. Step 6: Final answer
    x = 2,969,808.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.