Home / 2,724,881.40-4,087,322.10-831,619.80

Finding the Fourth Proportional to 2,724,881.40, 4,087,322.10 and 831,619.80

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Solution

The fourth proportional to 2,724,881.40, 4,087,322.10 and 831,619.80 is: 1,247,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,881.40 : 4,087,322.10 = 831,619.80 : x
  2. Step 2: Convert to fraction form
    2,724,881.40/4,087,322.10 = 831,619.80/x
  3. Step 3: Cross multiply
    2,724,881.40x = 4,087,322.10 × 831,619.80
  4. Step 4: Simplify right side
    2,724,881.40x = 3,399,097,987,337.58
  5. Step 5: Solve for x
    x = 3,399,097,987,337.58/2,724,881.40
  6. Step 6: Final answer
    x = 1,247,429.70

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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.