Home / 2,983,660.80-4,475,491.20-853,814.40

Finding the Fourth Proportional to 2,983,660.80, 4,475,491.20 and 853,814.40

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Solution

The fourth proportional to 2,983,660.80, 4,475,491.20 and 853,814.40 is: 1,280,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,660.80 : 4,475,491.20 = 853,814.40 : x
  2. Step 2: Convert to fraction form
    2,983,660.80/4,475,491.20 = 853,814.40/x
  3. Step 3: Cross multiply
    2,983,660.80x = 4,475,491.20 × 853,814.40
  4. Step 4: Simplify right side
    2,983,660.80x = 3,821,238,833,633.28
  5. Step 5: Solve for x
    x = 3,821,238,833,633.28/2,983,660.80
  6. Step 6: Final answer
    x = 1,280,721.60

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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.