Home / 1,918,217.42-2,647,140.27-1,058,777.91

Finding the Fourth Proportional to 1,918,217.42, 2,647,140.27 and 1,058,777.91

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Solution

The fourth proportional to 1,918,217.42, 2,647,140.27 and 1,058,777.91 is: 1,461,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,217.42 : 2,647,140.27 = 1,058,777.91 : x
  2. Step 2: Convert to fraction form
    1,918,217.42/2,647,140.27 = 1,058,777.91/x
  3. Step 3: Cross multiply
    1,918,217.42x = 2,647,140.27 × 1,058,777.91
  4. Step 4: Simplify right side
    1,918,217.42x = 2,802,733,642,547.44
  5. Step 5: Solve for x
    x = 2,802,733,642,547.44/1,918,217.42
  6. Step 6: Final answer
    x = 1,461,113.64

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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.