Home / 5,105,810.64-7,045,682.40-2,813,965.68

Finding the Fourth Proportional to 5,105,810.64, 7,045,682.40 and 2,813,965.68

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Solution

The fourth proportional to 5,105,810.64, 7,045,682.40 and 2,813,965.68 is: 3,883,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,810.64 : 7,045,682.40 = 2,813,965.68 : x
  2. Step 2: Convert to fraction form
    5,105,810.64/7,045,682.40 = 2,813,965.68/x
  3. Step 3: Cross multiply
    5,105,810.64x = 7,045,682.40 × 2,813,965.68
  4. Step 4: Simplify right side
    5,105,810.64x = 19,826,308,465,780.04
  5. Step 5: Solve for x
    x = 19,826,308,465,780.04/5,105,810.64
  6. Step 6: Final answer
    x = 3,883,087.30

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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.