Home / 4,991,985.16-6,888,346.76-2,816,401.32

Finding the Fourth Proportional to 4,991,985.16, 6,888,346.76 and 2,816,401.32

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Solution

The fourth proportional to 4,991,985.16, 6,888,346.76 and 2,816,401.32 is: 3,886,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,985.16 : 6,888,346.76 = 2,816,401.32 : x
  2. Step 2: Convert to fraction form
    4,991,985.16/6,888,346.76 = 2,816,401.32/x
  3. Step 3: Cross multiply
    4,991,985.16x = 6,888,346.76 × 2,816,401.32
  4. Step 4: Simplify right side
    4,991,985.16x = 19,400,348,907,481.72
  5. Step 5: Solve for x
    x = 19,400,348,907,481.72/4,991,985.16
  6. Step 6: Final answer
    x = 3,886,299.40

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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.