Home / 1,475,813.61-2,213,720.82-1,139,345.43

Finding the Fourth Proportional to 1,475,813.61, 2,213,720.82 and 1,139,345.43

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Solution

The fourth proportional to 1,475,813.61, 2,213,720.82 and 1,139,345.43 is: 1,709,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,813.61 : 2,213,720.82 = 1,139,345.43 : x
  2. Step 2: Convert to fraction form
    1,475,813.61/2,213,720.82 = 1,139,345.43/x
  3. Step 3: Cross multiply
    1,475,813.61x = 2,213,720.82 × 1,139,345.43
  4. Step 4: Simplify right side
    1,475,813.61x = 2,522,192,699,562.85
  5. Step 5: Solve for x
    x = 2,522,192,699,562.85/1,475,813.61
  6. Step 6: Final answer
    x = 1,709,018.46

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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.