Home / 2,009,648.20-3,014,472.30-1,212,486.70

Finding the Fourth Proportional to 2,009,648.20, 3,014,472.30 and 1,212,486.70

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Solution

The fourth proportional to 2,009,648.20, 3,014,472.30 and 1,212,486.70 is: 1,818,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,648.20 : 3,014,472.30 = 1,212,486.70 : x
  2. Step 2: Convert to fraction form
    2,009,648.20/3,014,472.30 = 1,212,486.70/x
  3. Step 3: Cross multiply
    2,009,648.20x = 3,014,472.30 × 1,212,486.70
  4. Step 4: Simplify right side
    2,009,648.20x = 3,655,007,571,268.41
  5. Step 5: Solve for x
    x = 3,655,007,571,268.41/2,009,648.20
  6. Step 6: Final answer
    x = 1,818,730.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.