Home / 2,009,648.70-3,014,473.05-1,212,487.20

Finding the Fourth Proportional to 2,009,648.70, 3,014,473.05 and 1,212,487.20

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Solution

The fourth proportional to 2,009,648.70, 3,014,473.05 and 1,212,487.20 is: 1,818,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,648.70 : 3,014,473.05 = 1,212,487.20 : x
  2. Step 2: Convert to fraction form
    2,009,648.70/3,014,473.05 = 1,212,487.20/x
  3. Step 3: Cross multiply
    2,009,648.70x = 3,014,473.05 × 1,212,487.20
  4. Step 4: Simplify right side
    2,009,648.70x = 3,655,009,987,869.96
  5. Step 5: Solve for x
    x = 3,655,009,987,869.96/2,009,648.70
  6. Step 6: Final answer
    x = 1,818,730.80

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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.