Home / 2,894,820.20-4,341,452.70-1,211,575.40

Finding the Fourth Proportional to 2,894,820.20, 4,341,452.70 and 1,211,575.40

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Solution

The fourth proportional to 2,894,820.20, 4,341,452.70 and 1,211,575.40 is: 1,817,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,820.20 : 4,341,452.70 = 1,211,575.40 : x
  2. Step 2: Convert to fraction form
    2,894,820.20/4,341,452.70 = 1,211,575.40/x
  3. Step 3: Cross multiply
    2,894,820.20x = 4,341,452.70 × 1,211,575.40
  4. Step 4: Simplify right side
    2,894,820.20x = 5,259,997,291,583.58
  5. Step 5: Solve for x
    x = 5,259,997,291,583.58/2,894,820.20
  6. Step 6: Final answer
    x = 1,817,037.65

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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.