Home / 2,014,009.80-3,021,014.70-815,971.20

Finding the Fourth Proportional to 2,014,009.80, 3,021,014.70 and 815,971.20

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Solution

The fourth proportional to 2,014,009.80, 3,021,014.70 and 815,971.20 is: 1,223,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,009.80 : 3,021,014.70 = 815,971.20 : x
  2. Step 2: Convert to fraction form
    2,014,009.80/3,021,014.70 = 815,971.20/x
  3. Step 3: Cross multiply
    2,014,009.80x = 3,021,014.70 × 815,971.20
  4. Step 4: Simplify right side
    2,014,009.80x = 2,465,060,989,976.64
  5. Step 5: Solve for x
    x = 2,465,060,989,976.64/2,014,009.80
  6. Step 6: Final answer
    x = 1,223,956.80

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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.