Home / 1,454,235.17-2,175,276.30-1,021,921.31

Finding the Fourth Proportional to 1,454,235.17, 2,175,276.30 and 1,021,921.31

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Solution

The fourth proportional to 1,454,235.17, 2,175,276.30 and 1,021,921.31 is: 1,528,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,235.17 : 2,175,276.30 = 1,021,921.31 : x
  2. Step 2: Convert to fraction form
    1,454,235.17/2,175,276.30 = 1,021,921.31/x
  3. Step 3: Cross multiply
    1,454,235.17x = 2,175,276.30 × 1,021,921.31
  4. Step 4: Simplify right side
    1,454,235.17x = 2,222,961,195,231.57
  5. Step 5: Solve for x
    x = 2,222,961,195,231.57/1,454,235.17
  6. Step 6: Final answer
    x = 1,528,611.91

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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.