Home / 2,800,442.70-4,190,166.45-1,855,658.70

Finding the Fourth Proportional to 2,800,442.70, 4,190,166.45 and 1,855,658.70

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Solution

The fourth proportional to 2,800,442.70, 4,190,166.45 and 1,855,658.70 is: 2,776,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,442.70 : 4,190,166.45 = 1,855,658.70 : x
  2. Step 2: Convert to fraction form
    2,800,442.70/4,190,166.45 = 1,855,658.70/x
  3. Step 3: Cross multiply
    2,800,442.70x = 4,190,166.45 × 1,855,658.70
  4. Step 4: Simplify right side
    2,800,442.70x = 7,775,518,827,390.62
  5. Step 5: Solve for x
    x = 7,775,518,827,390.62/2,800,442.70
  6. Step 6: Final answer
    x = 2,776,532.02

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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.