Home / 2,015,185.40-3,020,153.70-816,126.20

Finding the Fourth Proportional to 2,015,185.40, 3,020,153.70 and 816,126.20

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Solution

The fourth proportional to 2,015,185.40, 3,020,153.70 and 816,126.20 is: 1,223,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,185.40 : 3,020,153.70 = 816,126.20 : x
  2. Step 2: Convert to fraction form
    2,015,185.40/3,020,153.70 = 816,126.20/x
  3. Step 3: Cross multiply
    2,015,185.40x = 3,020,153.70 × 816,126.20
  4. Step 4: Simplify right side
    2,015,185.40x = 2,464,826,562,596.94
  5. Step 5: Solve for x
    x = 2,464,826,562,596.94/2,015,185.40
  6. Step 6: Final answer
    x = 1,223,126.45

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Similar ratio
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1.5x scale

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.