Home / 5,778,981.86-7,972,775.16-3,298,340.21

Finding the Fourth Proportional to 5,778,981.86, 7,972,775.16 and 3,298,340.21

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Solution

The fourth proportional to 5,778,981.86, 7,972,775.16 and 3,298,340.21 is: 4,550,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778,981.86 : 7,972,775.16 = 3,298,340.21 : x
  2. Step 2: Convert to fraction form
    5,778,981.86/7,972,775.16 = 3,298,340.21/x
  3. Step 3: Cross multiply
    5,778,981.86x = 7,972,775.16 × 3,298,340.21
  4. Step 4: Simplify right side
    5,778,981.86x = 26,296,924,927,722.47
  5. Step 5: Solve for x
    x = 26,296,924,927,722.47/5,778,981.86
  6. Step 6: Final answer
    x = 4,550,442.55

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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.