Home / 2,118,646.12-3,173,714.16-979,812.04

Finding the Fourth Proportional to 2,118,646.12, 3,173,714.16 and 979,812.04

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Solution

The fourth proportional to 2,118,646.12, 3,173,714.16 and 979,812.04 is: 1,467,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,646.12 : 3,173,714.16 = 979,812.04 : x
  2. Step 2: Convert to fraction form
    2,118,646.12/3,173,714.16 = 979,812.04/x
  3. Step 3: Cross multiply
    2,118,646.12x = 3,173,714.16 × 979,812.04
  4. Step 4: Simplify right side
    2,118,646.12x = 3,109,643,345,486.49
  5. Step 5: Solve for x
    x = 3,109,643,345,486.49/2,118,646.12
  6. Step 6: Final answer
    x = 1,467,750.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.