Home / 2,009,657.70-3,014,486.55-1,212,496.20

Finding the Fourth Proportional to 2,009,657.70, 3,014,486.55 and 1,212,496.20

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Solution

The fourth proportional to 2,009,657.70, 3,014,486.55 and 1,212,496.20 is: 1,818,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,657.70 : 3,014,486.55 = 1,212,496.20 : x
  2. Step 2: Convert to fraction form
    2,009,657.70/3,014,486.55 = 1,212,496.20/x
  3. Step 3: Cross multiply
    2,009,657.70x = 3,014,486.55 × 1,212,496.20
  4. Step 4: Simplify right side
    2,009,657.70x = 3,655,053,486,826.11
  5. Step 5: Solve for x
    x = 3,655,053,486,826.11/2,009,657.70
  6. Step 6: Final answer
    x = 1,818,744.30

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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.