Home / 3,929,506.02-5,420,419.89-2,553,766.03

Finding the Fourth Proportional to 3,929,506.02, 5,420,419.89 and 2,553,766.03

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Solution

The fourth proportional to 3,929,506.02, 5,420,419.89 and 2,553,766.03 is: 3,522,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,506.02 : 5,420,419.89 = 2,553,766.03 : x
  2. Step 2: Convert to fraction form
    3,929,506.02/5,420,419.89 = 2,553,766.03/x
  3. Step 3: Cross multiply
    3,929,506.02x = 5,420,419.89 × 2,553,766.03
  4. Step 4: Simplify right side
    3,929,506.02x = 13,842,484,191,626.79
  5. Step 5: Solve for x
    x = 13,842,484,191,626.79/3,929,506.02
  6. Step 6: Final answer
    x = 3,522,703.39

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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.