Home / 3,924,113.73-5,415,339.95-2,158,081.84

Finding the Fourth Proportional to 3,924,113.73, 5,415,339.95 and 2,158,081.84

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Solution

The fourth proportional to 3,924,113.73, 5,415,339.95 and 2,158,081.84 is: 2,978,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924,113.73 : 5,415,339.95 = 2,158,081.84 : x
  2. Step 2: Convert to fraction form
    3,924,113.73/5,415,339.95 = 2,158,081.84/x
  3. Step 3: Cross multiply
    3,924,113.73x = 5,415,339.95 × 2,158,081.84
  4. Step 4: Simplify right side
    3,924,113.73x = 11,686,746,803,521.51
  5. Step 5: Solve for x
    x = 11,686,746,803,521.51/3,924,113.73
  6. Step 6: Final answer
    x = 2,978,187.59

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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.