Home / 2,690,199.05-3,712,340.43-1,528,491.83

Finding the Fourth Proportional to 2,690,199.05, 3,712,340.43 and 1,528,491.83

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Solution

The fourth proportional to 2,690,199.05, 3,712,340.43 and 1,528,491.83 is: 2,109,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,199.05 : 3,712,340.43 = 1,528,491.83 : x
  2. Step 2: Convert to fraction form
    2,690,199.05/3,712,340.43 = 1,528,491.83/x
  3. Step 3: Cross multiply
    2,690,199.05x = 3,712,340.43 × 1,528,491.83
  4. Step 4: Simplify right side
    2,690,199.05x = 5,674,281,998,871.99
  5. Step 5: Solve for x
    x = 5,674,281,998,871.99/2,690,199.05
  6. Step 6: Final answer
    x = 2,109,242.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.