Home / 2,133,001.92-3,200,683.84-1,277,972.40

Finding the Fourth Proportional to 2,133,001.92, 3,200,683.84 and 1,277,972.40

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Solution

The fourth proportional to 2,133,001.92, 3,200,683.84 and 1,277,972.40 is: 1,917,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,001.92 : 3,200,683.84 = 1,277,972.40 : x
  2. Step 2: Convert to fraction form
    2,133,001.92/3,200,683.84 = 1,277,972.40/x
  3. Step 3: Cross multiply
    2,133,001.92x = 3,200,683.84 × 1,277,972.40
  4. Step 4: Simplify right side
    2,133,001.92x = 4,090,385,608,646.02
  5. Step 5: Solve for x
    x = 4,090,385,608,646.02/2,133,001.92
  6. Step 6: Final answer
    x = 1,917,666.16

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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.