Home / 3,647,681.51-5,031,189.86-2,560,195.76

Finding the Fourth Proportional to 3,647,681.51, 5,031,189.86 and 2,560,195.76

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Solution

The fourth proportional to 3,647,681.51, 5,031,189.86 and 2,560,195.76 is: 3,531,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,681.51 : 5,031,189.86 = 2,560,195.76 : x
  2. Step 2: Convert to fraction form
    3,647,681.51/5,031,189.86 = 2,560,195.76/x
  3. Step 3: Cross multiply
    3,647,681.51x = 5,031,189.86 × 2,560,195.76
  4. Step 4: Simplify right side
    3,647,681.51x = 12,880,830,909,370.07
  5. Step 5: Solve for x
    x = 12,880,830,909,370.07/3,647,681.51
  6. Step 6: Final answer
    x = 3,531,237.83

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1.5x scale

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.