Home / 2,811,887.84-3,880,407.30-1,522,729.64

Finding the Fourth Proportional to 2,811,887.84, 3,880,407.30 and 1,522,729.64

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Solution

The fourth proportional to 2,811,887.84, 3,880,407.30 and 1,522,729.64 is: 2,101,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,887.84 : 3,880,407.30 = 1,522,729.64 : x
  2. Step 2: Convert to fraction form
    2,811,887.84/3,880,407.30 = 1,522,729.64/x
  3. Step 3: Cross multiply
    2,811,887.84x = 3,880,407.30 × 1,522,729.64
  4. Step 4: Simplify right side
    2,811,887.84x = 5,908,811,210,982.37
  5. Step 5: Solve for x
    x = 5,908,811,210,982.37/2,811,887.84
  6. Step 6: Final answer
    x = 2,101,368.03

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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.