Home / 2,109,602.40-3,164,403.60-2,021,028.90

Finding the Fourth Proportional to 2,109,602.40, 3,164,403.60 and 2,021,028.90

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Solution

The fourth proportional to 2,109,602.40, 3,164,403.60 and 2,021,028.90 is: 3,031,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,602.40 : 3,164,403.60 = 2,021,028.90 : x
  2. Step 2: Convert to fraction form
    2,109,602.40/3,164,403.60 = 2,021,028.90/x
  3. Step 3: Cross multiply
    2,109,602.40x = 3,164,403.60 × 2,021,028.90
  4. Step 4: Simplify right side
    2,109,602.40x = 6,395,351,126,864.04
  5. Step 5: Solve for x
    x = 6,395,351,126,864.04/2,109,602.40
  6. Step 6: Final answer
    x = 3,031,543.35

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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.