Home / 2,015,176.90-3,020,140.95-816,117.70

Finding the Fourth Proportional to 2,015,176.90, 3,020,140.95 and 816,117.70

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Solution

The fourth proportional to 2,015,176.90, 3,020,140.95 and 816,117.70 is: 1,223,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,176.90 : 3,020,140.95 = 816,117.70 : x
  2. Step 2: Convert to fraction form
    2,015,176.90/3,020,140.95 = 816,117.70/x
  3. Step 3: Cross multiply
    2,015,176.90x = 3,020,140.95 × 816,117.70
  4. Step 4: Simplify right side
    2,015,176.90x = 2,464,790,485,789.82
  5. Step 5: Solve for x
    x = 2,464,790,485,789.82/2,015,176.90
  6. Step 6: Final answer
    x = 1,223,113.71

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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.