Finding the Fourth Proportional to 1,384,691.17, 2,077,202.61 and 425,021.09
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Solution
The fourth proportional to 1,384,691.17, 2,077,202.61 and 425,021.09 is: 637,582.54
Step by Step Solution
- Step 1: Write the proportion equation
1,384,691.17 : 2,077,202.61 = 425,021.09 : x - Step 2: Convert to fraction form
1,384,691.17/2,077,202.61 = 425,021.09/x - Step 3: Cross multiply
1,384,691.17x = 2,077,202.61 × 425,021.09 - Step 4: Simplify right side
1,384,691.17x = 882,854,917,453.05 - Step 5: Solve for x
x = 882,854,917,453.05/1,384,691.17 - Step 6: Final answer
x = 637,582.54
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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.