Home / 1,670,164.40-2,505,246.60-1,431,015.95

Finding the Fourth Proportional to 1,670,164.40, 2,505,246.60 and 1,431,015.95

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Solution

The fourth proportional to 1,670,164.40, 2,505,246.60 and 1,431,015.95 is: 2,146,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,164.40 : 2,505,246.60 = 1,431,015.95 : x
  2. Step 2: Convert to fraction form
    1,670,164.40/2,505,246.60 = 1,431,015.95/x
  3. Step 3: Cross multiply
    1,670,164.40x = 2,505,246.60 × 1,431,015.95
  4. Step 4: Simplify right side
    1,670,164.40x = 3,585,047,843,283.27
  5. Step 5: Solve for x
    x = 3,585,047,843,283.27/1,670,164.40
  6. Step 6: Final answer
    x = 2,146,523.93

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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.