Home / 1,690,005.80-2,535,008.70-1,617,199.40

Finding the Fourth Proportional to 1,690,005.80, 2,535,008.70 and 1,617,199.40

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Solution

The fourth proportional to 1,690,005.80, 2,535,008.70 and 1,617,199.40 is: 2,425,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,005.80 : 2,535,008.70 = 1,617,199.40 : x
  2. Step 2: Convert to fraction form
    1,690,005.80/2,535,008.70 = 1,617,199.40/x
  3. Step 3: Cross multiply
    1,690,005.80x = 2,535,008.70 × 1,617,199.40
  4. Step 4: Simplify right side
    1,690,005.80x = 4,099,614,548,634.78
  5. Step 5: Solve for x
    x = 4,099,614,548,634.78/1,690,005.80
  6. Step 6: Final answer
    x = 2,425,799.10

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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.