Home / 1,686,921.80-2,530,382.70-1,614,115.40

Finding the Fourth Proportional to 1,686,921.80, 2,530,382.70 and 1,614,115.40

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Solution

The fourth proportional to 1,686,921.80, 2,530,382.70 and 1,614,115.40 is: 2,421,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,921.80 : 2,530,382.70 = 1,614,115.40 : x
  2. Step 2: Convert to fraction form
    1,686,921.80/2,530,382.70 = 1,614,115.40/x
  3. Step 3: Cross multiply
    1,686,921.80x = 2,530,382.70 × 1,614,115.40
  4. Step 4: Simplify right side
    1,686,921.80x = 4,084,329,683,963.58
  5. Step 5: Solve for x
    x = 4,084,329,683,963.58/1,686,921.80
  6. Step 6: Final answer
    x = 2,421,173.10

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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.