Home / 7,104,684-9,804,697.20-3,885,420

Finding the Fourth Proportional to 7,104,684, 9,804,697.20 and 3,885,420

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Solution

The fourth proportional to 7,104,684, 9,804,697.20 and 3,885,420 is: 5,362,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104,684 : 9,804,697.20 = 3,885,420 : x
  2. Step 2: Convert to fraction form
    7,104,684/9,804,697.20 = 3,885,420/x
  3. Step 3: Cross multiply
    7,104,684x = 9,804,697.20 × 3,885,420
  4. Step 4: Simplify right side
    7,104,684x = 38,095,366,594,824
  5. Step 5: Solve for x
    x = 38,095,366,594,824/7,104,684
  6. Step 6: Final answer
    x = 5,362,007.18

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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.