Home / 3,218,404.80-4,830,717.60-1,958,692.80

Finding the Fourth Proportional to 3,218,404.80, 4,830,717.60 and 1,958,692.80

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Solution

The fourth proportional to 3,218,404.80, 4,830,717.60 and 1,958,692.80 is: 2,939,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,404.80 : 4,830,717.60 = 1,958,692.80 : x
  2. Step 2: Convert to fraction form
    3,218,404.80/4,830,717.60 = 1,958,692.80/x
  3. Step 3: Cross multiply
    3,218,404.80x = 4,830,717.60 × 1,958,692.80
  4. Step 4: Simplify right side
    3,218,404.80x = 9,461,891,781,953.28
  5. Step 5: Solve for x
    x = 9,461,891,781,953.28/3,218,404.80
  6. Step 6: Final answer
    x = 2,939,932.16

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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.