Home / 2,180,291.52-3,008,802.32-1,213,650.18

Finding the Fourth Proportional to 2,180,291.52, 3,008,802.32 and 1,213,650.18

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Solution

The fourth proportional to 2,180,291.52, 3,008,802.32 and 1,213,650.18 is: 1,674,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,291.52 : 3,008,802.32 = 1,213,650.18 : x
  2. Step 2: Convert to fraction form
    2,180,291.52/3,008,802.32 = 1,213,650.18/x
  3. Step 3: Cross multiply
    2,180,291.52x = 3,008,802.32 × 1,213,650.18
  4. Step 4: Simplify right side
    2,180,291.52x = 3,651,633,477,252.42
  5. Step 5: Solve for x
    x = 3,651,633,477,252.42/2,180,291.52
  6. Step 6: Final answer
    x = 1,674,837.26

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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.