Home / 1,630,131.40-2,447,040.30-965,657.80

Finding the Fourth Proportional to 1,630,131.40, 2,447,040.30 and 965,657.80

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Solution

The fourth proportional to 1,630,131.40, 2,447,040.30 and 965,657.80 is: 1,449,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,131.40 : 2,447,040.30 = 965,657.80 : x
  2. Step 2: Convert to fraction form
    1,630,131.40/2,447,040.30 = 965,657.80/x
  3. Step 3: Cross multiply
    1,630,131.40x = 2,447,040.30 × 965,657.80
  4. Step 4: Simplify right side
    1,630,131.40x = 2,363,003,552,609.34
  5. Step 5: Solve for x
    x = 2,363,003,552,609.34/1,630,131.40
  6. Step 6: Final answer
    x = 1,449,578.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.