Finding the Fourth Proportional to 1,689,149.52, 2,330,997.54 and 914,774.08
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Solution
The fourth proportional to 1,689,149.52, 2,330,997.54 and 914,774.08 is: 1,262,372.63
Step by Step Solution
- Step 1: Write the proportion equation
1,689,149.52 : 2,330,997.54 = 914,774.08 : x - Step 2: Convert to fraction form
1,689,149.52/2,330,997.54 = 914,774.08/x - Step 3: Cross multiply
1,689,149.52x = 2,330,997.54 × 914,774.08 - Step 4: Simplify right side
1,689,149.52x = 2,132,336,118,480.78 - Step 5: Solve for x
x = 2,132,336,118,480.78/1,689,149.52 - Step 6: Final answer
x = 1,262,372.63
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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.