Home / 3,231,289.65-4,459,157.39-1,780,985.87

Finding the Fourth Proportional to 3,231,289.65, 4,459,157.39 and 1,780,985.87

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Solution

The fourth proportional to 3,231,289.65, 4,459,157.39 and 1,780,985.87 is: 2,457,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,289.65 : 4,459,157.39 = 1,780,985.87 : x
  2. Step 2: Convert to fraction form
    3,231,289.65/4,459,157.39 = 1,780,985.87/x
  3. Step 3: Cross multiply
    3,231,289.65x = 4,459,157.39 × 1,780,985.87
  4. Step 4: Simplify right side
    3,231,289.65x = 7,941,696,303,696.08
  5. Step 5: Solve for x
    x = 7,941,696,303,696.08/3,231,289.65
  6. Step 6: Final answer
    x = 2,457,748.19

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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.