Home / 2,161,364.07-2,982,967.55-2,090,387.72

Finding the Fourth Proportional to 2,161,364.07, 2,982,967.55 and 2,090,387.72

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Solution

The fourth proportional to 2,161,364.07, 2,982,967.55 and 2,090,387.72 is: 2,885,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,364.07 : 2,982,967.55 = 2,090,387.72 : x
  2. Step 2: Convert to fraction form
    2,161,364.07/2,982,967.55 = 2,090,387.72/x
  3. Step 3: Cross multiply
    2,161,364.07x = 2,982,967.55 × 2,090,387.72
  4. Step 4: Simplify right side
    2,161,364.07x = 6,235,558,735,678.49
  5. Step 5: Solve for x
    x = 6,235,558,735,678.49/2,161,364.07
  6. Step 6: Final answer
    x = 2,885,010.82

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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.