Home / 2,780,965.80-4,171,448.70-1,183,127.40

Finding the Fourth Proportional to 2,780,965.80, 4,171,448.70 and 1,183,127.40

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Solution

The fourth proportional to 2,780,965.80, 4,171,448.70 and 1,183,127.40 is: 1,774,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,965.80 : 4,171,448.70 = 1,183,127.40 : x
  2. Step 2: Convert to fraction form
    2,780,965.80/4,171,448.70 = 1,183,127.40/x
  3. Step 3: Cross multiply
    2,780,965.80x = 4,171,448.70 × 1,183,127.40
  4. Step 4: Simplify right side
    2,780,965.80x = 4,935,355,254,664.38
  5. Step 5: Solve for x
    x = 4,935,355,254,664.38/2,780,965.80
  6. Step 6: Final answer
    x = 1,774,691.10

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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.