Home / 3,905,878.62-5,390,199.31-2,229,427.93

Finding the Fourth Proportional to 3,905,878.62, 5,390,199.31 and 2,229,427.93

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Solution

The fourth proportional to 3,905,878.62, 5,390,199.31 and 2,229,427.93 is: 3,076,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,878.62 : 5,390,199.31 = 2,229,427.93 : x
  2. Step 2: Convert to fraction form
    3,905,878.62/5,390,199.31 = 2,229,427.93/x
  3. Step 3: Cross multiply
    3,905,878.62x = 5,390,199.31 × 2,229,427.93
  4. Step 4: Simplify right side
    3,905,878.62x = 12,017,060,889,980.73
  5. Step 5: Solve for x
    x = 12,017,060,889,980.73/3,905,878.62
  6. Step 6: Final answer
    x = 3,076,660.10

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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.