Home / 1,936,290.88-2,669,280.20-1,281,820.24

Finding the Fourth Proportional to 1,936,290.88, 2,669,280.20 and 1,281,820.24

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Solution

The fourth proportional to 1,936,290.88, 2,669,280.20 and 1,281,820.24 is: 1,767,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,290.88 : 2,669,280.20 = 1,281,820.24 : x
  2. Step 2: Convert to fraction form
    1,936,290.88/2,669,280.20 = 1,281,820.24/x
  3. Step 3: Cross multiply
    1,936,290.88x = 2,669,280.20 × 1,281,820.24
  4. Step 4: Simplify right side
    1,936,290.88x = 3,421,537,386,591.25
  5. Step 5: Solve for x
    x = 3,421,537,386,591.25/1,936,290.88
  6. Step 6: Final answer
    x = 1,767,057.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.