Home / 3,346,787.84-5,020,138.24-822,465.28

Finding the Fourth Proportional to 3,346,787.84, 5,020,138.24 and 822,465.28

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Solution

The fourth proportional to 3,346,787.84, 5,020,138.24 and 822,465.28 is: 1,233,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,787.84 : 5,020,138.24 = 822,465.28 : x
  2. Step 2: Convert to fraction form
    3,346,787.84/5,020,138.24 = 822,465.28/x
  3. Step 3: Cross multiply
    3,346,787.84x = 5,020,138.24 × 822,465.28
  4. Step 4: Simplify right side
    3,346,787.84x = 4,128,889,403,200.31
  5. Step 5: Solve for x
    x = 4,128,889,403,200.31/3,346,787.84
  6. Step 6: Final answer
    x = 1,233,687.23

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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.