Home / 5,090,358.12-7,024,631.22-2,798,498.76

Finding the Fourth Proportional to 5,090,358.12, 7,024,631.22 and 2,798,498.76

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Solution

The fourth proportional to 5,090,358.12, 7,024,631.22 and 2,798,498.76 is: 3,861,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,358.12 : 7,024,631.22 = 2,798,498.76 : x
  2. Step 2: Convert to fraction form
    5,090,358.12/7,024,631.22 = 2,798,498.76/x
  3. Step 3: Cross multiply
    5,090,358.12x = 7,024,631.22 × 2,798,498.76
  4. Step 4: Simplify right side
    5,090,358.12x = 19,658,421,758,627.29
  5. Step 5: Solve for x
    x = 19,658,421,758,627.29/5,090,358.12
  6. Step 6: Final answer
    x = 3,861,893.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.