Home / 1,940,398.61-2,658,355.59-1,867,672.62

Finding the Fourth Proportional to 1,940,398.61, 2,658,355.59 and 1,867,672.62

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Solution

The fourth proportional to 1,940,398.61, 2,658,355.59 and 1,867,672.62 is: 2,558,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,398.61 : 2,658,355.59 = 1,867,672.62 : x
  2. Step 2: Convert to fraction form
    1,940,398.61/2,658,355.59 = 1,867,672.62/x
  3. Step 3: Cross multiply
    1,940,398.61x = 2,658,355.59 × 1,867,672.62
  4. Step 4: Simplify right side
    1,940,398.61x = 4,964,937,949,666.95
  5. Step 5: Solve for x
    x = 4,964,937,949,666.95/1,940,398.61
  6. Step 6: Final answer
    x = 2,558,720.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.