Home / 1,980,972.45-2,971,069.12-632,771.70

Finding the Fourth Proportional to 1,980,972.45, 2,971,069.12 and 632,771.70

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Solution

The fourth proportional to 1,980,972.45, 2,971,069.12 and 632,771.70 is: 949,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,972.45 : 2,971,069.12 = 632,771.70 : x
  2. Step 2: Convert to fraction form
    1,980,972.45/2,971,069.12 = 632,771.70/x
  3. Step 3: Cross multiply
    1,980,972.45x = 2,971,069.12 × 632,771.70
  4. Step 4: Simplify right side
    1,980,972.45x = 1,880,008,443,970.02
  5. Step 5: Solve for x
    x = 1,880,008,443,970.02/1,980,972.45
  6. Step 6: Final answer
    x = 949,033.11

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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.