Home / 2,009,666.70-3,014,500.05-1,212,505.20

Finding the Fourth Proportional to 2,009,666.70, 3,014,500.05 and 1,212,505.20

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Solution

The fourth proportional to 2,009,666.70, 3,014,500.05 and 1,212,505.20 is: 1,818,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,666.70 : 3,014,500.05 = 1,212,505.20 : x
  2. Step 2: Convert to fraction form
    2,009,666.70/3,014,500.05 = 1,212,505.20/x
  3. Step 3: Cross multiply
    2,009,666.70x = 3,014,500.05 × 1,212,505.20
  4. Step 4: Simplify right side
    2,009,666.70x = 3,655,096,986,025.26
  5. Step 5: Solve for x
    x = 3,655,096,986,025.26/2,009,666.70
  6. Step 6: Final answer
    x = 1,818,757.80

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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.