Home / 3,318,781.16-4,579,865.70-1,868,473.32

Finding the Fourth Proportional to 3,318,781.16, 4,579,865.70 and 1,868,473.32

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Solution

The fourth proportional to 3,318,781.16, 4,579,865.70 and 1,868,473.32 is: 2,578,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,781.16 : 4,579,865.70 = 1,868,473.32 : x
  2. Step 2: Convert to fraction form
    3,318,781.16/4,579,865.70 = 1,868,473.32/x
  3. Step 3: Cross multiply
    3,318,781.16x = 4,579,865.70 × 1,868,473.32
  4. Step 4: Simplify right side
    3,318,781.16x = 8,557,356,869,633.13
  5. Step 5: Solve for x
    x = 8,557,356,869,633.13/3,318,781.16
  6. Step 6: Final answer
    x = 2,578,463.74

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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.