Home / 2,071,194.18-2,857,563-1,211,145.63

Finding the Fourth Proportional to 2,071,194.18, 2,857,563 and 1,211,145.63

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Solution

The fourth proportional to 2,071,194.18, 2,857,563 and 1,211,145.63 is: 1,670,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,194.18 : 2,857,563 = 1,211,145.63 : x
  2. Step 2: Convert to fraction form
    2,071,194.18/2,857,563 = 1,211,145.63/x
  3. Step 3: Cross multiply
    2,071,194.18x = 2,857,563 × 1,211,145.63
  4. Step 4: Simplify right side
    2,071,194.18x = 3,460,924,939,899.69
  5. Step 5: Solve for x
    x = 3,460,924,939,899.69/2,071,194.18
  6. Step 6: Final answer
    x = 1,670,980.43

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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.