Home / 2,868,688.29-3,958,935.30-1,628,385.96

Finding the Fourth Proportional to 2,868,688.29, 3,958,935.30 and 1,628,385.96

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Solution

The fourth proportional to 2,868,688.29, 3,958,935.30 and 1,628,385.96 is: 2,247,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,688.29 : 3,958,935.30 = 1,628,385.96 : x
  2. Step 2: Convert to fraction form
    2,868,688.29/3,958,935.30 = 1,628,385.96/x
  3. Step 3: Cross multiply
    2,868,688.29x = 3,958,935.30 × 1,628,385.96
  4. Step 4: Simplify right side
    2,868,688.29x = 6,446,674,659,068.39
  5. Step 5: Solve for x
    x = 6,446,674,659,068.39/2,868,688.29
  6. Step 6: Final answer
    x = 2,247,255.19

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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.