Home / 2,009,849.40-3,014,774.10-1,212,687.90

Finding the Fourth Proportional to 2,009,849.40, 3,014,774.10 and 1,212,687.90

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Solution

The fourth proportional to 2,009,849.40, 3,014,774.10 and 1,212,687.90 is: 1,819,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,849.40 : 3,014,774.10 = 1,212,687.90 : x
  2. Step 2: Convert to fraction form
    2,009,849.40/3,014,774.10 = 1,212,687.90/x
  3. Step 3: Cross multiply
    2,009,849.40x = 3,014,774.10 × 1,212,687.90
  4. Step 4: Simplify right side
    2,009,849.40x = 3,655,980,072,303.39
  5. Step 5: Solve for x
    x = 3,655,980,072,303.39/2,009,849.40
  6. Step 6: Final answer
    x = 1,819,031.85

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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.