Home / 1,566,135.90-2,354,215.05-1,455,198.30

Finding the Fourth Proportional to 1,566,135.90, 2,354,215.05 and 1,455,198.30

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Solution

The fourth proportional to 1,566,135.90, 2,354,215.05 and 1,455,198.30 is: 2,187,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,135.90 : 2,354,215.05 = 1,455,198.30 : x
  2. Step 2: Convert to fraction form
    1,566,135.90/2,354,215.05 = 1,455,198.30/x
  3. Step 3: Cross multiply
    1,566,135.90x = 2,354,215.05 × 1,455,198.30
  4. Step 4: Simplify right side
    1,566,135.90x = 3,425,849,738,594.42
  5. Step 5: Solve for x
    x = 3,425,849,738,594.42/1,566,135.90
  6. Step 6: Final answer
    x = 2,187,453.68

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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.