Home / 3,163,689.60-4,745,755.74-1,270,431

Finding the Fourth Proportional to 3,163,689.60, 4,745,755.74 and 1,270,431

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Solution

The fourth proportional to 3,163,689.60, 4,745,755.74 and 1,270,431 is: 1,905,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,689.60 : 4,745,755.74 = 1,270,431 : x
  2. Step 2: Convert to fraction form
    3,163,689.60/4,745,755.74 = 1,270,431/x
  3. Step 3: Cross multiply
    3,163,689.60x = 4,745,755.74 × 1,270,431
  4. Step 4: Simplify right side
    3,163,689.60x = 6,029,155,210,523.94
  5. Step 5: Solve for x
    x = 6,029,155,210,523.94/3,163,689.60
  6. Step 6: Final answer
    x = 1,905,735.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.