Home / 1,970,063.17-2,718,570-1,143,072.88

Finding the Fourth Proportional to 1,970,063.17, 2,718,570 and 1,143,072.88

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Solution

The fourth proportional to 1,970,063.17, 2,718,570 and 1,143,072.88 is: 1,577,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,063.17 : 2,718,570 = 1,143,072.88 : x
  2. Step 2: Convert to fraction form
    1,970,063.17/2,718,570 = 1,143,072.88/x
  3. Step 3: Cross multiply
    1,970,063.17x = 2,718,570 × 1,143,072.88
  4. Step 4: Simplify right side
    1,970,063.17x = 3,107,523,639,381.60
  5. Step 5: Solve for x
    x = 3,107,523,639,381.60/1,970,063.17
  6. Step 6: Final answer
    x = 1,577,372.59

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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.