Home / 2,166,274.41-2,989,505.28-1,186,254.79

Finding the Fourth Proportional to 2,166,274.41, 2,989,505.28 and 1,186,254.79

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Solution

The fourth proportional to 2,166,274.41, 2,989,505.28 and 1,186,254.79 is: 1,637,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,274.41 : 2,989,505.28 = 1,186,254.79 : x
  2. Step 2: Convert to fraction form
    2,166,274.41/2,989,505.28 = 1,186,254.79/x
  3. Step 3: Cross multiply
    2,166,274.41x = 2,989,505.28 × 1,186,254.79
  4. Step 4: Simplify right side
    2,166,274.41x = 3,546,314,958,130.29
  5. Step 5: Solve for x
    x = 3,546,314,958,130.29/2,166,274.41
  6. Step 6: Final answer
    x = 1,637,057.13

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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.