Home / 3,644,128.66-5,028,897.59-2,116,334.20

Finding the Fourth Proportional to 3,644,128.66, 5,028,897.59 and 2,116,334.20

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Solution

The fourth proportional to 3,644,128.66, 5,028,897.59 and 2,116,334.20 is: 2,920,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,128.66 : 5,028,897.59 = 2,116,334.20 : x
  2. Step 2: Convert to fraction form
    3,644,128.66/5,028,897.59 = 2,116,334.20/x
  3. Step 3: Cross multiply
    3,644,128.66x = 5,028,897.59 × 2,116,334.20
  4. Step 4: Simplify right side
    3,644,128.66x = 10,642,827,958,014.58
  5. Step 5: Solve for x
    x = 10,642,827,958,014.58/3,644,128.66
  6. Step 6: Final answer
    x = 2,920,541.22

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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.