Home / 2,989,435.74-4,125,508.47-1,631,396.22

Finding the Fourth Proportional to 2,989,435.74, 4,125,508.47 and 1,631,396.22

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Solution

The fourth proportional to 2,989,435.74, 4,125,508.47 and 1,631,396.22 is: 2,251,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,435.74 : 4,125,508.47 = 1,631,396.22 : x
  2. Step 2: Convert to fraction form
    2,989,435.74/4,125,508.47 = 1,631,396.22/x
  3. Step 3: Cross multiply
    2,989,435.74x = 4,125,508.47 × 1,631,396.22
  4. Step 4: Simplify right side
    2,989,435.74x = 6,730,338,923,535.98
  5. Step 5: Solve for x
    x = 6,730,338,923,535.98/2,989,435.74
  6. Step 6: Final answer
    x = 2,251,374.34

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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.