Home / 3,418,905.76-4,718,325.28-1,968,983.08

Finding the Fourth Proportional to 3,418,905.76, 4,718,325.28 and 1,968,983.08

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Solution

The fourth proportional to 3,418,905.76, 4,718,325.28 and 1,968,983.08 is: 2,717,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,905.76 : 4,718,325.28 = 1,968,983.08 : x
  2. Step 2: Convert to fraction form
    3,418,905.76/4,718,325.28 = 1,968,983.08/x
  3. Step 3: Cross multiply
    3,418,905.76x = 4,718,325.28 × 1,968,983.08
  4. Step 4: Simplify right side
    3,418,905.76x = 9,290,302,642,256.26
  5. Step 5: Solve for x
    x = 9,290,302,642,256.26/3,418,905.76
  6. Step 6: Final answer
    x = 2,717,332.18

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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.