Home / 2,897,403.80-4,345,911.30-767,442.20

Finding the Fourth Proportional to 2,897,403.80, 4,345,911.30 and 767,442.20

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Solution

The fourth proportional to 2,897,403.80, 4,345,911.30 and 767,442.20 is: 1,151,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,403.80 : 4,345,911.30 = 767,442.20 : x
  2. Step 2: Convert to fraction form
    2,897,403.80/4,345,911.30 = 767,442.20/x
  3. Step 3: Cross multiply
    2,897,403.80x = 4,345,911.30 × 767,442.20
  4. Step 4: Simplify right side
    2,897,403.80x = 3,335,235,729,076.86
  5. Step 5: Solve for x
    x = 3,335,235,729,076.86/2,897,403.80
  6. Step 6: Final answer
    x = 1,151,111.81

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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.