Home / 2,989,752.50-4,125,992.60-1,683,453.75

Finding the Fourth Proportional to 2,989,752.50, 4,125,992.60 and 1,683,453.75

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Solution

The fourth proportional to 2,989,752.50, 4,125,992.60 and 1,683,453.75 is: 2,323,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,752.50 : 4,125,992.60 = 1,683,453.75 : x
  2. Step 2: Convert to fraction form
    2,989,752.50/4,125,992.60 = 1,683,453.75/x
  3. Step 3: Cross multiply
    2,989,752.50x = 4,125,992.60 × 1,683,453.75
  4. Step 4: Simplify right side
    2,989,752.50x = 6,945,917,734,623.36
  5. Step 5: Solve for x
    x = 6,945,917,734,623.36/2,989,752.50
  6. Step 6: Final answer
    x = 2,323,241.72

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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.