Home / 2,897,768.40-4,342,505.40-2,133,646.80

Finding the Fourth Proportional to 2,897,768.40, 4,342,505.40 and 2,133,646.80

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Solution

The fourth proportional to 2,897,768.40, 4,342,505.40 and 2,133,646.80 is: 3,197,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,768.40 : 4,342,505.40 = 2,133,646.80 : x
  2. Step 2: Convert to fraction form
    2,897,768.40/4,342,505.40 = 2,133,646.80/x
  3. Step 3: Cross multiply
    2,897,768.40x = 4,342,505.40 × 2,133,646.80
  4. Step 4: Simplify right side
    2,897,768.40x = 9,265,372,750,692.72
  5. Step 5: Solve for x
    x = 9,265,372,750,692.72/2,897,768.40
  6. Step 6: Final answer
    x = 3,197,416.59

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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.