Home / 3,207,905.06-4,426,773.81-1,917,983.30

Finding the Fourth Proportional to 3,207,905.06, 4,426,773.81 and 1,917,983.30

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Solution

The fourth proportional to 3,207,905.06, 4,426,773.81 and 1,917,983.30 is: 2,646,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,905.06 : 4,426,773.81 = 1,917,983.30 : x
  2. Step 2: Convert to fraction form
    3,207,905.06/4,426,773.81 = 1,917,983.30/x
  3. Step 3: Cross multiply
    3,207,905.06x = 4,426,773.81 × 1,917,983.30
  4. Step 4: Simplify right side
    3,207,905.06x = 8,490,478,240,457.37
  5. Step 5: Solve for x
    x = 8,490,478,240,457.37/3,207,905.06
  6. Step 6: Final answer
    x = 2,646,736.14

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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.