Home / 3,539,643.84-5,311,237.92-1,620,551.36

Finding the Fourth Proportional to 3,539,643.84, 5,311,237.92 and 1,620,551.36

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Solution

The fourth proportional to 3,539,643.84, 5,311,237.92 and 1,620,551.36 is: 2,431,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,643.84 : 5,311,237.92 = 1,620,551.36 : x
  2. Step 2: Convert to fraction form
    3,539,643.84/5,311,237.92 = 1,620,551.36/x
  3. Step 3: Cross multiply
    3,539,643.84x = 5,311,237.92 × 1,620,551.36
  4. Step 4: Simplify right side
    3,539,643.84x = 8,607,133,834,539.57
  5. Step 5: Solve for x
    x = 8,607,133,834,539.57/3,539,643.84
  6. Step 6: Final answer
    x = 2,431,638.39

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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.