Home / 2,009,619.40-3,014,429.10-1,212,457.90

Finding the Fourth Proportional to 2,009,619.40, 3,014,429.10 and 1,212,457.90

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Solution

The fourth proportional to 2,009,619.40, 3,014,429.10 and 1,212,457.90 is: 1,818,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,619.40 : 3,014,429.10 = 1,212,457.90 : x
  2. Step 2: Convert to fraction form
    2,009,619.40/3,014,429.10 = 1,212,457.90/x
  3. Step 3: Cross multiply
    2,009,619.40x = 3,014,429.10 × 1,212,457.90
  4. Step 4: Simplify right side
    2,009,619.40x = 3,654,868,376,284.89
  5. Step 5: Solve for x
    x = 3,654,868,376,284.89/2,009,619.40
  6. Step 6: Final answer
    x = 1,818,686.85

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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.