Home / 2,980,818.96-4,457,494.08-2,213,765.16

Finding the Fourth Proportional to 2,980,818.96, 4,457,494.08 and 2,213,765.16

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Solution

The fourth proportional to 2,980,818.96, 4,457,494.08 and 2,213,765.16 is: 3,310,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,818.96 : 4,457,494.08 = 2,213,765.16 : x
  2. Step 2: Convert to fraction form
    2,980,818.96/4,457,494.08 = 2,213,765.16/x
  3. Step 3: Cross multiply
    2,980,818.96x = 4,457,494.08 × 2,213,765.16
  4. Step 4: Simplify right side
    2,980,818.96x = 9,867,845,095,210.25
  5. Step 5: Solve for x
    x = 9,867,845,095,210.25/2,980,818.96
  6. Step 6: Final answer
    x = 3,310,447.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.