Home / 2,983,515.80-4,475,273.70-853,669.40

Finding the Fourth Proportional to 2,983,515.80, 4,475,273.70 and 853,669.40

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Solution

The fourth proportional to 2,983,515.80, 4,475,273.70 and 853,669.40 is: 1,280,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,515.80 : 4,475,273.70 = 853,669.40 : x
  2. Step 2: Convert to fraction form
    2,983,515.80/4,475,273.70 = 853,669.40/x
  3. Step 3: Cross multiply
    2,983,515.80x = 4,475,273.70 × 853,669.40
  4. Step 4: Simplify right side
    2,983,515.80x = 3,820,404,214,314.78
  5. Step 5: Solve for x
    x = 3,820,404,214,314.78/2,983,515.80
  6. Step 6: Final answer
    x = 1,280,504.10

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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.