Home / 2,009,620.40-3,014,430.60-1,212,458.90

Finding the Fourth Proportional to 2,009,620.40, 3,014,430.60 and 1,212,458.90

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Solution

The fourth proportional to 2,009,620.40, 3,014,430.60 and 1,212,458.90 is: 1,818,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,620.40 : 3,014,430.60 = 1,212,458.90 : x
  2. Step 2: Convert to fraction form
    2,009,620.40/3,014,430.60 = 1,212,458.90/x
  3. Step 3: Cross multiply
    2,009,620.40x = 3,014,430.60 × 1,212,458.90
  4. Step 4: Simplify right side
    2,009,620.40x = 3,654,873,209,402.34
  5. Step 5: Solve for x
    x = 3,654,873,209,402.34/2,009,620.40
  6. Step 6: Final answer
    x = 1,818,688.35

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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.