Home / 3,248,979-4,875,173.46-1,331,313.72

Finding the Fourth Proportional to 3,248,979, 4,875,173.46 and 1,331,313.72

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Solution

The fourth proportional to 3,248,979, 4,875,173.46 and 1,331,313.72 is: 1,997,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248,979 : 4,875,173.46 = 1,331,313.72 : x
  2. Step 2: Convert to fraction form
    3,248,979/4,875,173.46 = 1,331,313.72/x
  3. Step 3: Cross multiply
    3,248,979x = 4,875,173.46 × 1,331,313.72
  4. Step 4: Simplify right side
    3,248,979x = 6,490,385,314,677.87
  5. Step 5: Solve for x
    x = 6,490,385,314,677.87/3,248,979
  6. Step 6: Final answer
    x = 1,997,669.21

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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.