Home / 2,918,809.80-4,378,214.70-788,833.80

Finding the Fourth Proportional to 2,918,809.80, 4,378,214.70 and 788,833.80

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Solution

The fourth proportional to 2,918,809.80, 4,378,214.70 and 788,833.80 is: 1,183,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,809.80 : 4,378,214.70 = 788,833.80 : x
  2. Step 2: Convert to fraction form
    2,918,809.80/4,378,214.70 = 788,833.80/x
  3. Step 3: Cross multiply
    2,918,809.80x = 4,378,214.70 × 788,833.80
  4. Step 4: Simplify right side
    2,918,809.80x = 3,453,683,739,016.86
  5. Step 5: Solve for x
    x = 3,453,683,739,016.86/2,918,809.80
  6. Step 6: Final answer
    x = 1,183,250.70

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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.