Home / 2,657,998.40-3,988,965.90-1,949,410.40

Finding the Fourth Proportional to 2,657,998.40, 3,988,965.90 and 1,949,410.40

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Solution

The fourth proportional to 2,657,998.40, 3,988,965.90 and 1,949,410.40 is: 2,925,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,998.40 : 3,988,965.90 = 1,949,410.40 : x
  2. Step 2: Convert to fraction form
    2,657,998.40/3,988,965.90 = 1,949,410.40/x
  3. Step 3: Cross multiply
    2,657,998.40x = 3,988,965.90 × 1,949,410.40
  4. Step 4: Simplify right side
    2,657,998.40x = 7,776,131,610,705.36
  5. Step 5: Solve for x
    x = 7,776,131,610,705.36/2,657,998.40
  6. Step 6: Final answer
    x = 2,925,559.18

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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.