Home / 3,140,842.61-4,707,190.73-1,410,434.74

Finding the Fourth Proportional to 3,140,842.61, 4,707,190.73 and 1,410,434.74

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Solution

The fourth proportional to 3,140,842.61, 4,707,190.73 and 1,410,434.74 is: 2,113,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,842.61 : 4,707,190.73 = 1,410,434.74 : x
  2. Step 2: Convert to fraction form
    3,140,842.61/4,707,190.73 = 1,410,434.74/x
  3. Step 3: Cross multiply
    3,140,842.61x = 4,707,190.73 × 1,410,434.74
  4. Step 4: Simplify right side
    3,140,842.61x = 6,639,185,325,156.07
  5. Step 5: Solve for x
    x = 6,639,185,325,156.07/3,140,842.61
  6. Step 6: Final answer
    x = 2,113,822.99

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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.