Home / 5,294,346-7,940,769.12-1,699,639.56

Finding the Fourth Proportional to 5,294,346, 7,940,769.12 and 1,699,639.56

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Solution

The fourth proportional to 5,294,346, 7,940,769.12 and 1,699,639.56 is: 2,549,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294,346 : 7,940,769.12 = 1,699,639.56 : x
  2. Step 2: Convert to fraction form
    5,294,346/7,940,769.12 = 1,699,639.56/x
  3. Step 3: Cross multiply
    5,294,346x = 7,940,769.12 × 1,699,639.56
  4. Step 4: Simplify right side
    5,294,346x = 13,496,445,333,178.39
  5. Step 5: Solve for x
    x = 13,496,445,333,178.39/5,294,346
  6. Step 6: Final answer
    x = 2,549,218.61

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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.