Home / 3,033,885.51-4,186,761.84-1,638,447.02

Finding the Fourth Proportional to 3,033,885.51, 4,186,761.84 and 1,638,447.02

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Solution

The fourth proportional to 3,033,885.51, 4,186,761.84 and 1,638,447.02 is: 2,261,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033,885.51 : 4,186,761.84 = 1,638,447.02 : x
  2. Step 2: Convert to fraction form
    3,033,885.51/4,186,761.84 = 1,638,447.02/x
  3. Step 3: Cross multiply
    3,033,885.51x = 4,186,761.84 × 1,638,447.02
  4. Step 4: Simplify right side
    3,033,885.51x = 6,859,787,460,197.72
  5. Step 5: Solve for x
    x = 6,859,787,460,197.72/3,033,885.51
  6. Step 6: Final answer
    x = 2,261,056.80

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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.