Home / 3,774,719.93-5,208,927.80-2,142,913.12

Finding the Fourth Proportional to 3,774,719.93, 5,208,927.80 and 2,142,913.12

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Solution

The fourth proportional to 3,774,719.93, 5,208,927.80 and 2,142,913.12 is: 2,957,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,719.93 : 5,208,927.80 = 2,142,913.12 : x
  2. Step 2: Convert to fraction form
    3,774,719.93/5,208,927.80 = 2,142,913.12/x
  3. Step 3: Cross multiply
    3,774,719.93x = 5,208,927.80 × 2,142,913.12
  4. Step 4: Simplify right side
    3,774,719.93x = 11,162,279,700,015.85
  5. Step 5: Solve for x
    x = 11,162,279,700,015.85/3,774,719.93
  6. Step 6: Final answer
    x = 2,957,114.68

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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.