Home / 6,590,276.79-9,883,506.61-1,979,077.20

Finding the Fourth Proportional to 6,590,276.79, 9,883,506.61 and 1,979,077.20

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Solution

The fourth proportional to 6,590,276.79, 9,883,506.61 and 1,979,077.20 is: 2,968,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,276.79 : 9,883,506.61 = 1,979,077.20 : x
  2. Step 2: Convert to fraction form
    6,590,276.79/9,883,506.61 = 1,979,077.20/x
  3. Step 3: Cross multiply
    6,590,276.79x = 9,883,506.61 × 1,979,077.20
  4. Step 4: Simplify right side
    6,590,276.79x = 19,560,222,587,900.29
  5. Step 5: Solve for x
    x = 19,560,222,587,900.29/6,590,276.79
  6. Step 6: Final answer
    x = 2,968,042.65

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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.