Home / 2,868,385.76-3,958,300.67-1,628,227.66

Finding the Fourth Proportional to 2,868,385.76, 3,958,300.67 and 1,628,227.66

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Solution

The fourth proportional to 2,868,385.76, 3,958,300.67 and 1,628,227.66 is: 2,246,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,385.76 : 3,958,300.67 = 1,628,227.66 : x
  2. Step 2: Convert to fraction form
    2,868,385.76/3,958,300.67 = 1,628,227.66/x
  3. Step 3: Cross multiply
    2,868,385.76x = 3,958,300.67 × 1,628,227.66
  4. Step 4: Simplify right side
    2,868,385.76x = 6,445,014,637,490.53
  5. Step 5: Solve for x
    x = 6,445,014,637,490.53/2,868,385.76
  6. Step 6: Final answer
    x = 2,246,913.48

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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.