Home / 5,329,237.20-7,992,106.20-1,963,006.80

Finding the Fourth Proportional to 5,329,237.20, 7,992,106.20 and 1,963,006.80

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Solution

The fourth proportional to 5,329,237.20, 7,992,106.20 and 1,963,006.80 is: 2,943,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,237.20 : 7,992,106.20 = 1,963,006.80 : x
  2. Step 2: Convert to fraction form
    5,329,237.20/7,992,106.20 = 1,963,006.80/x
  3. Step 3: Cross multiply
    5,329,237.20x = 7,992,106.20 × 1,963,006.80
  4. Step 4: Simplify right side
    5,329,237.20x = 15,688,558,816,922.16
  5. Step 5: Solve for x
    x = 15,688,558,816,922.16/5,329,237.20
  6. Step 6: Final answer
    x = 2,943,865.74

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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.