Home / 3,321,456.60-4,981,925.70-1,299,307.80

Finding the Fourth Proportional to 3,321,456.60, 4,981,925.70 and 1,299,307.80

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Solution

The fourth proportional to 3,321,456.60, 4,981,925.70 and 1,299,307.80 is: 1,948,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,456.60 : 4,981,925.70 = 1,299,307.80 : x
  2. Step 2: Convert to fraction form
    3,321,456.60/4,981,925.70 = 1,299,307.80/x
  3. Step 3: Cross multiply
    3,321,456.60x = 4,981,925.70 × 1,299,307.80
  4. Step 4: Simplify right side
    3,321,456.60x = 6,473,054,921,030.46
  5. Step 5: Solve for x
    x = 6,473,054,921,030.46/3,321,456.60
  6. Step 6: Final answer
    x = 1,948,860.30

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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.