Home / 2,629,943.60-3,942,193.80-1,429,329.20

Finding the Fourth Proportional to 2,629,943.60, 3,942,193.80 and 1,429,329.20

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Solution

The fourth proportional to 2,629,943.60, 3,942,193.80 and 1,429,329.20 is: 2,142,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,943.60 : 3,942,193.80 = 1,429,329.20 : x
  2. Step 2: Convert to fraction form
    2,629,943.60/3,942,193.80 = 1,429,329.20/x
  3. Step 3: Cross multiply
    2,629,943.60x = 3,942,193.80 × 1,429,329.20
  4. Step 4: Simplify right side
    2,629,943.60x = 5,634,692,710,398.96
  5. Step 5: Solve for x
    x = 5,634,692,710,398.96/2,629,943.60
  6. Step 6: Final answer
    x = 2,142,514.66

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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.