Home / 2,196,673.19-3,281,651.49-1,421,859.20

Finding the Fourth Proportional to 2,196,673.19, 3,281,651.49 and 1,421,859.20

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Solution

The fourth proportional to 2,196,673.19, 3,281,651.49 and 1,421,859.20 is: 2,124,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,673.19 : 3,281,651.49 = 1,421,859.20 : x
  2. Step 2: Convert to fraction form
    2,196,673.19/3,281,651.49 = 1,421,859.20/x
  3. Step 3: Cross multiply
    2,196,673.19x = 3,281,651.49 × 1,421,859.20
  4. Step 4: Simplify right side
    2,196,673.19x = 4,666,046,361,635.26
  5. Step 5: Solve for x
    x = 4,666,046,361,635.26/2,196,673.19
  6. Step 6: Final answer
    x = 2,124,142.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.