Home / 2,953,974.80-4,430,897.40-823,998.80

Finding the Fourth Proportional to 2,953,974.80, 4,430,897.40 and 823,998.80

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Solution

The fourth proportional to 2,953,974.80, 4,430,897.40 and 823,998.80 is: 1,235,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,974.80 : 4,430,897.40 = 823,998.80 : x
  2. Step 2: Convert to fraction form
    2,953,974.80/4,430,897.40 = 823,998.80/x
  3. Step 3: Cross multiply
    2,953,974.80x = 4,430,897.40 × 823,998.80
  4. Step 4: Simplify right side
    2,953,974.80x = 3,651,054,140,523.12
  5. Step 5: Solve for x
    x = 3,651,054,140,523.12/2,953,974.80
  6. Step 6: Final answer
    x = 1,235,980.12

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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.