Home / 4,991,980.17-6,888,339.86-2,816,396.31

Finding the Fourth Proportional to 4,991,980.17, 6,888,339.86 and 2,816,396.31

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Solution

The fourth proportional to 4,991,980.17, 6,888,339.86 and 2,816,396.31 is: 3,886,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,980.17 : 6,888,339.86 = 2,816,396.31 : x
  2. Step 2: Convert to fraction form
    4,991,980.17/6,888,339.86 = 2,816,396.31/x
  3. Step 3: Cross multiply
    4,991,980.17x = 6,888,339.86 × 2,816,396.31
  4. Step 4: Simplify right side
    4,991,980.17x = 19,400,294,949,647.94
  5. Step 5: Solve for x
    x = 19,400,294,949,647.94/4,991,980.17
  6. Step 6: Final answer
    x = 3,886,292.47

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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.