Finding the Fourth Proportional to 1,943,774.24, 2,682,941.96 and 1,128,240.66
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Solution
The fourth proportional to 1,943,774.24, 2,682,941.96 and 1,128,240.66 is: 1,557,281.77
Step by Step Solution
- Step 1: Write the proportion equation
1,943,774.24 : 2,682,941.96 = 1,128,240.66 : x - Step 2: Convert to fraction form
1,943,774.24/2,682,941.96 = 1,128,240.66/x - Step 3: Cross multiply
1,943,774.24x = 2,682,941.96 × 1,128,240.66 - Step 4: Simplify right side
1,943,774.24x = 3,027,004,194,277.38 - Step 5: Solve for x
x = 3,027,004,194,277.38/1,943,774.24 - Step 6: Final answer
x = 1,557,281.77
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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.