Home / 2,724,886.40-4,087,329.60-831,624.80

Finding the Fourth Proportional to 2,724,886.40, 4,087,329.60 and 831,624.80

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Solution

The fourth proportional to 2,724,886.40, 4,087,329.60 and 831,624.80 is: 1,247,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,886.40 : 4,087,329.60 = 831,624.80 : x
  2. Step 2: Convert to fraction form
    2,724,886.40/4,087,329.60 = 831,624.80/x
  3. Step 3: Cross multiply
    2,724,886.40x = 4,087,329.60 × 831,624.80
  4. Step 4: Simplify right side
    2,724,886.40x = 3,399,124,661,134.08
  5. Step 5: Solve for x
    x = 3,399,124,661,134.08/2,724,886.40
  6. Step 6: Final answer
    x = 1,247,437.20

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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.