Home / 6,187,813.89-8,539,054.48-3,434,339.78

Finding the Fourth Proportional to 6,187,813.89, 8,539,054.48 and 3,434,339.78

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Solution

The fourth proportional to 6,187,813.89, 8,539,054.48 and 3,434,339.78 is: 4,739,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187,813.89 : 8,539,054.48 = 3,434,339.78 : x
  2. Step 2: Convert to fraction form
    6,187,813.89/8,539,054.48 = 3,434,339.78/x
  3. Step 3: Cross multiply
    6,187,813.89x = 8,539,054.48 × 3,434,339.78
  4. Step 4: Simplify right side
    6,187,813.89x = 29,326,014,484,251.21
  5. Step 5: Solve for x
    x = 29,326,014,484,251.21/6,187,813.89
  6. Step 6: Final answer
    x = 4,739,317.47

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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.