Home / 4,618,341.72-6,927,879.87-1,379,641.68

Finding the Fourth Proportional to 4,618,341.72, 6,927,879.87 and 1,379,641.68

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Solution

The fourth proportional to 4,618,341.72, 6,927,879.87 and 1,379,641.68 is: 2,069,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618,341.72 : 6,927,879.87 = 1,379,641.68 : x
  2. Step 2: Convert to fraction form
    4,618,341.72/6,927,879.87 = 1,379,641.68/x
  3. Step 3: Cross multiply
    4,618,341.72x = 6,927,879.87 × 1,379,641.68
  4. Step 4: Simplify right side
    4,618,341.72x = 9,557,991,822,684.98
  5. Step 5: Solve for x
    x = 9,557,991,822,684.98/4,618,341.72
  6. Step 6: Final answer
    x = 2,069,572.24

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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.