Home / 3,120,522.02-4,680,447.68-2,116,091.24

Finding the Fourth Proportional to 3,120,522.02, 4,680,447.68 and 2,116,091.24

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Solution

The fourth proportional to 3,120,522.02, 4,680,447.68 and 2,116,091.24 is: 3,173,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,522.02 : 4,680,447.68 = 2,116,091.24 : x
  2. Step 2: Convert to fraction form
    3,120,522.02/4,680,447.68 = 2,116,091.24/x
  3. Step 3: Cross multiply
    3,120,522.02x = 4,680,447.68 × 2,116,091.24
  4. Step 4: Simplify right side
    3,120,522.02x = 9,904,254,300,943.63
  5. Step 5: Solve for x
    x = 9,904,254,300,943.63/3,120,522.02
  6. Step 6: Final answer
    x = 3,173,909.45

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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.