Home / 1,917,821.18-2,875,983.87-719,090.30

Finding the Fourth Proportional to 1,917,821.18, 2,875,983.87 and 719,090.30

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Solution

The fourth proportional to 1,917,821.18, 2,875,983.87 and 719,090.30 is: 1,078,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,821.18 : 2,875,983.87 = 719,090.30 : x
  2. Step 2: Convert to fraction form
    1,917,821.18/2,875,983.87 = 719,090.30/x
  3. Step 3: Cross multiply
    1,917,821.18x = 2,875,983.87 × 719,090.30
  4. Step 4: Simplify right side
    1,917,821.18x = 2,068,092,103,873.46
  5. Step 5: Solve for x
    x = 2,068,092,103,873.46/1,917,821.18
  6. Step 6: Final answer
    x = 1,078,355.02

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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.