Home / 3,020,986.76-4,169,359.86-1,813,840.52

Finding the Fourth Proportional to 3,020,986.76, 4,169,359.86 and 1,813,840.52

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Solution

The fourth proportional to 3,020,986.76, 4,169,359.86 and 1,813,840.52 is: 2,503,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,986.76 : 4,169,359.86 = 1,813,840.52 : x
  2. Step 2: Convert to fraction form
    3,020,986.76/4,169,359.86 = 1,813,840.52/x
  3. Step 3: Cross multiply
    3,020,986.76x = 4,169,359.86 × 1,813,840.52
  4. Step 4: Simplify right side
    3,020,986.76x = 7,562,553,856,529.53
  5. Step 5: Solve for x
    x = 7,562,553,856,529.53/3,020,986.76
  6. Step 6: Final answer
    x = 2,503,338.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.