Home / 2,938,605.90-4,055,377.71-1,631,879.94

Finding the Fourth Proportional to 2,938,605.90, 4,055,377.71 and 1,631,879.94

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Solution

The fourth proportional to 2,938,605.90, 4,055,377.71 and 1,631,879.94 is: 2,252,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,605.90 : 4,055,377.71 = 1,631,879.94 : x
  2. Step 2: Convert to fraction form
    2,938,605.90/4,055,377.71 = 1,631,879.94/x
  3. Step 3: Cross multiply
    2,938,605.90x = 4,055,377.71 × 1,631,879.94
  4. Step 4: Simplify right side
    2,938,605.90x = 6,617,889,534,072.14
  5. Step 5: Solve for x
    x = 6,617,889,534,072.14/2,938,605.90
  6. Step 6: Final answer
    x = 2,252,050.72

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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.