Home / 2,897,212.80-4,346,337.60-1,214,486.40

Finding the Fourth Proportional to 2,897,212.80, 4,346,337.60 and 1,214,486.40

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Solution

The fourth proportional to 2,897,212.80, 4,346,337.60 and 1,214,486.40 is: 1,821,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,212.80 : 4,346,337.60 = 1,214,486.40 : x
  2. Step 2: Convert to fraction form
    2,897,212.80/4,346,337.60 = 1,214,486.40/x
  3. Step 3: Cross multiply
    2,897,212.80x = 4,346,337.60 × 1,214,486.40
  4. Step 4: Simplify right side
    2,897,212.80x = 5,278,567,905,008.64
  5. Step 5: Solve for x
    x = 5,278,567,905,008.64/2,897,212.80
  6. Step 6: Final answer
    x = 1,821,946.91

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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.