Home / 3,118,179-4,303,087.02-1,687,395

Finding the Fourth Proportional to 3,118,179, 4,303,087.02 and 1,687,395

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Solution

The fourth proportional to 3,118,179, 4,303,087.02 and 1,687,395 is: 2,328,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,179 : 4,303,087.02 = 1,687,395 : x
  2. Step 2: Convert to fraction form
    3,118,179/4,303,087.02 = 1,687,395/x
  3. Step 3: Cross multiply
    3,118,179x = 4,303,087.02 × 1,687,395
  4. Step 4: Simplify right side
    3,118,179x = 7,261,007,522,112.90
  5. Step 5: Solve for x
    x = 7,261,007,522,112.90/3,118,179
  6. Step 6: Final answer
    x = 2,328,605.10

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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.