Home / 3,139,260.75-4,331,914.65-1,899,333.05

Finding the Fourth Proportional to 3,139,260.75, 4,331,914.65 and 1,899,333.05

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Solution

The fourth proportional to 3,139,260.75, 4,331,914.65 and 1,899,333.05 is: 2,620,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,260.75 : 4,331,914.65 = 1,899,333.05 : x
  2. Step 2: Convert to fraction form
    3,139,260.75/4,331,914.65 = 1,899,333.05/x
  3. Step 3: Cross multiply
    3,139,260.75x = 4,331,914.65 × 1,899,333.05
  4. Step 4: Simplify right side
    3,139,260.75x = 8,227,748,642,864.61
  5. Step 5: Solve for x
    x = 8,227,748,642,864.61/3,139,260.75
  6. Step 6: Final answer
    x = 2,620,919.16

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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.