Home / 2,918,936.13-4,028,380.95-1,630,025.64

Finding the Fourth Proportional to 2,918,936.13, 4,028,380.95 and 1,630,025.64

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Solution

The fourth proportional to 2,918,936.13, 4,028,380.95 and 1,630,025.64 is: 2,249,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,936.13 : 4,028,380.95 = 1,630,025.64 : x
  2. Step 2: Convert to fraction form
    2,918,936.13/4,028,380.95 = 1,630,025.64/x
  3. Step 3: Cross multiply
    2,918,936.13x = 4,028,380.95 × 1,630,025.64
  4. Step 4: Simplify right side
    2,918,936.13x = 6,566,364,236,187.56
  5. Step 5: Solve for x
    x = 6,566,364,236,187.56/2,918,936.13
  6. Step 6: Final answer
    x = 2,249,574.48

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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.