Home / 3,859,295.90-5,326,155.42-2,140,970

Finding the Fourth Proportional to 3,859,295.90, 5,326,155.42 and 2,140,970

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Solution

The fourth proportional to 3,859,295.90, 5,326,155.42 and 2,140,970 is: 2,954,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,295.90 : 5,326,155.42 = 2,140,970 : x
  2. Step 2: Convert to fraction form
    3,859,295.90/5,326,155.42 = 2,140,970/x
  3. Step 3: Cross multiply
    3,859,295.90x = 5,326,155.42 × 2,140,970
  4. Step 4: Simplify right side
    3,859,295.90x = 11,403,138,969,557.40
  5. Step 5: Solve for x
    x = 11,403,138,969,557.40/3,859,295.90
  6. Step 6: Final answer
    x = 2,954,720.05

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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.