Home / 1,983,107.60-2,736,705.84-1,077,689.60

Finding the Fourth Proportional to 1,983,107.60, 2,736,705.84 and 1,077,689.60

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Solution

The fourth proportional to 1,983,107.60, 2,736,705.84 and 1,077,689.60 is: 1,487,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,107.60 : 2,736,705.84 = 1,077,689.60 : x
  2. Step 2: Convert to fraction form
    1,983,107.60/2,736,705.84 = 1,077,689.60/x
  3. Step 3: Cross multiply
    1,983,107.60x = 2,736,705.84 × 1,077,689.60
  4. Step 4: Simplify right side
    1,983,107.60x = 2,949,319,422,027.26
  5. Step 5: Solve for x
    x = 2,949,319,422,027.26/1,983,107.60
  6. Step 6: Final answer
    x = 1,487,221.08

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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.