Home / 2,556,780.85-3,830,225.64-2,141,519.86

Finding the Fourth Proportional to 2,556,780.85, 3,830,225.64 and 2,141,519.86

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Solution

The fourth proportional to 2,556,780.85, 3,830,225.64 and 2,141,519.86 is: 3,208,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,780.85 : 3,830,225.64 = 2,141,519.86 : x
  2. Step 2: Convert to fraction form
    2,556,780.85/3,830,225.64 = 2,141,519.86/x
  3. Step 3: Cross multiply
    2,556,780.85x = 3,830,225.64 × 2,141,519.86
  4. Step 4: Simplify right side
    2,556,780.85x = 8,202,504,276,341.21
  5. Step 5: Solve for x
    x = 8,202,504,276,341.21/2,556,780.85
  6. Step 6: Final answer
    x = 3,208,137.40

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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.