Home / 1,690,979.50-2,533,810.22-1,307,664.01

Finding the Fourth Proportional to 1,690,979.50, 2,533,810.22 and 1,307,664.01

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Solution

The fourth proportional to 1,690,979.50, 2,533,810.22 and 1,307,664.01 is: 1,959,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,979.50 : 2,533,810.22 = 1,307,664.01 : x
  2. Step 2: Convert to fraction form
    1,690,979.50/2,533,810.22 = 1,307,664.01/x
  3. Step 3: Cross multiply
    1,690,979.50x = 2,533,810.22 × 1,307,664.01
  4. Step 4: Simplify right side
    1,690,979.50x = 3,313,372,413,656.81
  5. Step 5: Solve for x
    x = 3,313,372,413,656.81/1,690,979.50
  6. Step 6: Final answer
    x = 1,959,439.74

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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.