Home / 3,078,285.08-4,246,997.76-1,991,931.11

Finding the Fourth Proportional to 3,078,285.08, 4,246,997.76 and 1,991,931.11

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Solution

The fourth proportional to 3,078,285.08, 4,246,997.76 and 1,991,931.11 is: 2,748,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,285.08 : 4,246,997.76 = 1,991,931.11 : x
  2. Step 2: Convert to fraction form
    3,078,285.08/4,246,997.76 = 1,991,931.11/x
  3. Step 3: Cross multiply
    3,078,285.08x = 4,246,997.76 × 1,991,931.11
  4. Step 4: Simplify right side
    3,078,285.08x = 8,459,726,941,009.32
  5. Step 5: Solve for x
    x = 8,459,726,941,009.32/3,078,285.08
  6. Step 6: Final answer
    x = 2,748,194.76

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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.