Home / 2,136,966.84-3,205,616.04-620,674.20

Finding the Fourth Proportional to 2,136,966.84, 3,205,616.04 and 620,674.20

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Solution

The fourth proportional to 2,136,966.84, 3,205,616.04 and 620,674.20 is: 931,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,966.84 : 3,205,616.04 = 620,674.20 : x
  2. Step 2: Convert to fraction form
    2,136,966.84/3,205,616.04 = 620,674.20/x
  3. Step 3: Cross multiply
    2,136,966.84x = 3,205,616.04 × 620,674.20
  4. Step 4: Simplify right side
    2,136,966.84x = 1,989,643,171,134.17
  5. Step 5: Solve for x
    x = 1,989,643,171,134.17/2,136,966.84
  6. Step 6: Final answer
    x = 931,059.45

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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.