Home / 2,838,819.05-4,257,808.18-919,897.86

Finding the Fourth Proportional to 2,838,819.05, 4,257,808.18 and 919,897.86

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Solution

The fourth proportional to 2,838,819.05, 4,257,808.18 and 919,897.86 is: 1,379,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,819.05 : 4,257,808.18 = 919,897.86 : x
  2. Step 2: Convert to fraction form
    2,838,819.05/4,257,808.18 = 919,897.86/x
  3. Step 3: Cross multiply
    2,838,819.05x = 4,257,808.18 × 919,897.86
  4. Step 4: Simplify right side
    2,838,819.05x = 3,916,748,651,913.96
  5. Step 5: Solve for x
    x = 3,916,748,651,913.96/2,838,819.05
  6. Step 6: Final answer
    x = 1,379,710.57

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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.