Home / 2,724,903.90-4,087,355.85-831,642.30

Finding the Fourth Proportional to 2,724,903.90, 4,087,355.85 and 831,642.30

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Solution

The fourth proportional to 2,724,903.90, 4,087,355.85 and 831,642.30 is: 1,247,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724,903.90 : 4,087,355.85 = 831,642.30 : x
  2. Step 2: Convert to fraction form
    2,724,903.90/4,087,355.85 = 831,642.30/x
  3. Step 3: Cross multiply
    2,724,903.90x = 4,087,355.85 × 831,642.30
  4. Step 4: Simplify right side
    2,724,903.90x = 3,399,218,020,012.46
  5. Step 5: Solve for x
    x = 3,399,218,020,012.46/2,724,903.90
  6. Step 6: Final answer
    x = 1,247,463.45

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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.