Finding the Fourth Proportional to 4,145,403.78, 6,213,893.09 and 1,717,877.75
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Solution
The fourth proportional to 4,145,403.78, 6,213,893.09 and 1,717,877.75 is: 2,575,070.90
Step by Step Solution
- Step 1: Write the proportion equation
4,145,403.78 : 6,213,893.09 = 1,717,877.75 : x - Step 2: Convert to fraction form
4,145,403.78/6,213,893.09 = 1,717,877.75/x - Step 3: Cross multiply
4,145,403.78x = 6,213,893.09 × 1,717,877.75 - Step 4: Simplify right side
4,145,403.78x = 10,674,708,640,530.89 - Step 5: Solve for x
x = 10,674,708,640,530.89/4,145,403.78 - Step 6: Final answer
x = 2,575,070.90
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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.