Home / 6,406,329.78-8,840,736.18-3,505,721.40

Finding the Fourth Proportional to 6,406,329.78, 8,840,736.18 and 3,505,721.40

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Solution

The fourth proportional to 6,406,329.78, 8,840,736.18 and 3,505,721.40 is: 4,837,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406,329.78 : 8,840,736.18 = 3,505,721.40 : x
  2. Step 2: Convert to fraction form
    6,406,329.78/8,840,736.18 = 3,505,721.40/x
  3. Step 3: Cross multiply
    6,406,329.78x = 8,840,736.18 × 3,505,721.40
  4. Step 4: Simplify right side
    6,406,329.78x = 30,993,158,017,980.25
  5. Step 5: Solve for x
    x = 30,993,158,017,980.25/6,406,329.78
  6. Step 6: Final answer
    x = 4,837,896.12

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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.