Home / 2,912,555.31-4,019,352.98-1,605,854.31

Finding the Fourth Proportional to 2,912,555.31, 4,019,352.98 and 1,605,854.31

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Solution

The fourth proportional to 2,912,555.31, 4,019,352.98 and 1,605,854.31 is: 2,216,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,555.31 : 4,019,352.98 = 1,605,854.31 : x
  2. Step 2: Convert to fraction form
    2,912,555.31/4,019,352.98 = 1,605,854.31/x
  3. Step 3: Cross multiply
    2,912,555.31x = 4,019,352.98 × 1,605,854.31
  4. Step 4: Simplify right side
    2,912,555.31x = 6,454,495,294,288.64
  5. Step 5: Solve for x
    x = 6,454,495,294,288.64/2,912,555.31
  6. Step 6: Final answer
    x = 2,216,093.64

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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.