Home / 1,980,464-2,971,077.78-843,205.10

Finding the Fourth Proportional to 1,980,464, 2,971,077.78 and 843,205.10

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Solution

The fourth proportional to 1,980,464, 2,971,077.78 and 843,205.10 is: 1,264,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,464 : 2,971,077.78 = 843,205.10 : x
  2. Step 2: Convert to fraction form
    1,980,464/2,971,077.78 = 843,205.10/x
  3. Step 3: Cross multiply
    1,980,464x = 2,971,077.78 × 843,205.10
  4. Step 4: Simplify right side
    1,980,464x = 2,505,227,936,592.68
  5. Step 5: Solve for x
    x = 2,505,227,936,592.68/1,980,464
  6. Step 6: Final answer
    x = 1,264,970.20

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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.