Home / 5,181,357.95-7,772,036.93-1,815,213.95

Finding the Fourth Proportional to 5,181,357.95, 7,772,036.93 and 1,815,213.95

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Solution

The fourth proportional to 5,181,357.95, 7,772,036.93 and 1,815,213.95 is: 2,722,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,357.95 : 7,772,036.93 = 1,815,213.95 : x
  2. Step 2: Convert to fraction form
    5,181,357.95/7,772,036.93 = 1,815,213.95/x
  3. Step 3: Cross multiply
    5,181,357.95x = 7,772,036.93 × 1,815,213.95
  4. Step 4: Simplify right side
    5,181,357.95x = 14,107,909,846,175.10
  5. Step 5: Solve for x
    x = 14,107,909,846,175.10/5,181,357.95
  6. Step 6: Final answer
    x = 2,722,820.93

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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.