Finding the Fourth Proportional to 2,403,855.62, 3,317,194.76 and 1,315,918.92
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Solution
The fourth proportional to 2,403,855.62, 3,317,194.76 and 1,315,918.92 is: 1,815,899.14
Step by Step Solution
- Step 1: Write the proportion equation
2,403,855.62 : 3,317,194.76 = 1,315,918.92 : x - Step 2: Convert to fraction form
2,403,855.62/3,317,194.76 = 1,315,918.92/x - Step 3: Cross multiply
2,403,855.62x = 3,317,194.76 × 1,315,918.92 - Step 4: Simplify right side
2,403,855.62x = 4,365,159,339,429.26 - Step 5: Solve for x
x = 4,365,159,339,429.26/2,403,855.62 - Step 6: Final answer
x = 1,815,899.14
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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.