Home / 1,977,373.17-2,966,945.90-911,844.09

Finding the Fourth Proportional to 1,977,373.17, 2,966,945.90 and 911,844.09

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Solution

The fourth proportional to 1,977,373.17, 2,966,945.90 and 911,844.09 is: 1,368,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,373.17 : 2,966,945.90 = 911,844.09 : x
  2. Step 2: Convert to fraction form
    1,977,373.17/2,966,945.90 = 911,844.09/x
  3. Step 3: Cross multiply
    1,977,373.17x = 2,966,945.90 × 911,844.09
  4. Step 4: Simplify right side
    1,977,373.17x = 2,705,392,079,705.51
  5. Step 5: Solve for x
    x = 2,705,392,079,705.51/1,977,373.17
  6. Step 6: Final answer
    x = 1,368,174.77

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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.