Home / 4,071,683.84-5,621,105.04-3,139,355.20

Finding the Fourth Proportional to 4,071,683.84, 5,621,105.04 and 3,139,355.20

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Solution

The fourth proportional to 4,071,683.84, 5,621,105.04 and 3,139,355.20 is: 4,333,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071,683.84 : 5,621,105.04 = 3,139,355.20 : x
  2. Step 2: Convert to fraction form
    4,071,683.84/5,621,105.04 = 3,139,355.20/x
  3. Step 3: Cross multiply
    4,071,683.84x = 5,621,105.04 × 3,139,355.20
  4. Step 4: Simplify right side
    4,071,683.84x = 17,646,645,337,070.21
  5. Step 5: Solve for x
    x = 17,646,645,337,070.21/4,071,683.84
  6. Step 6: Final answer
    x = 4,333,992.04

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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.