Home / 3,012,686.64-4,157,490.78-1,636,017.12

Finding the Fourth Proportional to 3,012,686.64, 4,157,490.78 and 1,636,017.12

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Solution

The fourth proportional to 3,012,686.64, 4,157,490.78 and 1,636,017.12 is: 2,257,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,686.64 : 4,157,490.78 = 1,636,017.12 : x
  2. Step 2: Convert to fraction form
    3,012,686.64/4,157,490.78 = 1,636,017.12/x
  3. Step 3: Cross multiply
    3,012,686.64x = 4,157,490.78 × 1,636,017.12
  4. Step 4: Simplify right side
    3,012,686.64x = 6,801,726,092,322.15
  5. Step 5: Solve for x
    x = 6,801,726,092,322.15/3,012,686.64
  6. Step 6: Final answer
    x = 2,257,694.51

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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.