Home / 2,071,036.92-2,857,939.02-1,153,313.40

Finding the Fourth Proportional to 2,071,036.92, 2,857,939.02 and 1,153,313.40

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Solution

The fourth proportional to 2,071,036.92, 2,857,939.02 and 1,153,313.40 is: 1,591,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,036.92 : 2,857,939.02 = 1,153,313.40 : x
  2. Step 2: Convert to fraction form
    2,071,036.92/2,857,939.02 = 1,153,313.40/x
  3. Step 3: Cross multiply
    2,071,036.92x = 2,857,939.02 × 1,153,313.40
  4. Step 4: Simplify right side
    2,071,036.92x = 3,296,099,368,148.87
  5. Step 5: Solve for x
    x = 3,296,099,368,148.87/2,071,036.92
  6. Step 6: Final answer
    x = 1,591,521.30

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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.