Finding the Fourth Proportional to 1,902,138.58, 2,625,788.91 and 1,331,419.06
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Solution
The fourth proportional to 1,902,138.58, 2,625,788.91 and 1,331,419.06 is: 1,837,944.64
Step by Step Solution
- Step 1: Write the proportion equation
1,902,138.58 : 2,625,788.91 = 1,331,419.06 : x - Step 2: Convert to fraction form
1,902,138.58/2,625,788.91 = 1,331,419.06/x - Step 3: Cross multiply
1,902,138.58x = 2,625,788.91 × 1,331,419.06 - Step 4: Simplify right side
1,902,138.58x = 3,496,025,402,310.63 - Step 5: Solve for x
x = 3,496,025,402,310.63/1,902,138.58 - Step 6: Final answer
x = 1,837,944.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.