Home / 1,992,496.77-2,989,040.40-1,045,941.30

Finding the Fourth Proportional to 1,992,496.77, 2,989,040.40 and 1,045,941.30

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Solution

The fourth proportional to 1,992,496.77, 2,989,040.40 and 1,045,941.30 is: 1,569,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,496.77 : 2,989,040.40 = 1,045,941.30 : x
  2. Step 2: Convert to fraction form
    1,992,496.77/2,989,040.40 = 1,045,941.30/x
  3. Step 3: Cross multiply
    1,992,496.77x = 2,989,040.40 × 1,045,941.30
  4. Step 4: Simplify right side
    1,992,496.77x = 3,126,360,801,728.52
  5. Step 5: Solve for x
    x = 3,126,360,801,728.52/1,992,496.77
  6. Step 6: Final answer
    x = 1,569,066.94

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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.