Home / 3,290,952.47-4,539,686.58-1,914,141.20

Finding the Fourth Proportional to 3,290,952.47, 4,539,686.58 and 1,914,141.20

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Solution

The fourth proportional to 3,290,952.47, 4,539,686.58 and 1,914,141.20 is: 2,640,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,952.47 : 4,539,686.58 = 1,914,141.20 : x
  2. Step 2: Convert to fraction form
    3,290,952.47/4,539,686.58 = 1,914,141.20/x
  3. Step 3: Cross multiply
    3,290,952.47x = 4,539,686.58 × 1,914,141.20
  4. Step 4: Simplify right side
    3,290,952.47x = 8,689,601,095,166.66
  5. Step 5: Solve for x
    x = 8,689,601,095,166.66/3,290,952.47
  6. Step 6: Final answer
    x = 2,640,451.72

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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.