Home / 3,903,902.98-5,387,385.18-2,185,023.40

Finding the Fourth Proportional to 3,903,902.98, 5,387,385.18 and 2,185,023.40

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Solution

The fourth proportional to 3,903,902.98, 5,387,385.18 and 2,185,023.40 is: 3,015,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,902.98 : 5,387,385.18 = 2,185,023.40 : x
  2. Step 2: Convert to fraction form
    3,903,902.98/5,387,385.18 = 2,185,023.40/x
  3. Step 3: Cross multiply
    3,903,902.98x = 5,387,385.18 × 2,185,023.40
  4. Step 4: Simplify right side
    3,903,902.98x = 11,771,562,683,113.21
  5. Step 5: Solve for x
    x = 11,771,562,683,113.21/3,903,902.98
  6. Step 6: Final answer
    x = 3,015,331.77

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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.