Home / 1,871,356.61-2,582,487.56-1,033,175.21

Finding the Fourth Proportional to 1,871,356.61, 2,582,487.56 and 1,033,175.21

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Solution

The fourth proportional to 1,871,356.61, 2,582,487.56 and 1,033,175.21 is: 1,425,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,356.61 : 2,582,487.56 = 1,033,175.21 : x
  2. Step 2: Convert to fraction form
    1,871,356.61/2,582,487.56 = 1,033,175.21/x
  3. Step 3: Cross multiply
    1,871,356.61x = 2,582,487.56 × 1,033,175.21
  4. Step 4: Simplify right side
    1,871,356.61x = 2,668,162,116,795.89
  5. Step 5: Solve for x
    x = 2,668,162,116,795.89/1,871,356.61
  6. Step 6: Final answer
    x = 1,425,790.31

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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.