Home / 2,605,542.36-3,926,062.77-2,142,598.20

Finding the Fourth Proportional to 2,605,542.36, 3,926,062.77 and 2,142,598.20

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Solution

The fourth proportional to 2,605,542.36, 3,926,062.77 and 2,142,598.20 is: 3,228,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,542.36 : 3,926,062.77 = 2,142,598.20 : x
  2. Step 2: Convert to fraction form
    2,605,542.36/3,926,062.77 = 2,142,598.20/x
  3. Step 3: Cross multiply
    2,605,542.36x = 3,926,062.77 × 2,142,598.20
  4. Step 4: Simplify right side
    2,605,542.36x = 8,411,975,024,089.02
  5. Step 5: Solve for x
    x = 8,411,975,024,089.02/2,605,542.36
  6. Step 6: Final answer
    x = 3,228,492.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.