Finding the Fourth Proportional to 1,918,921.29, 2,881,812.66 and 1,841,775.93
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Solution
The fourth proportional to 1,918,921.29, 2,881,812.66 and 1,841,775.93 is: 2,765,956.70
Step by Step Solution
- Step 1: Write the proportion equation
1,918,921.29 : 2,881,812.66 = 1,841,775.93 : x - Step 2: Convert to fraction form
1,918,921.29/2,881,812.66 = 1,841,775.93/x - Step 3: Cross multiply
1,918,921.29x = 2,881,812.66 × 1,841,775.93 - Step 4: Simplify right side
1,918,921.29x = 5,307,653,191,957.27 - Step 5: Solve for x
x = 5,307,653,191,957.27/1,918,921.29 - Step 6: Final answer
x = 2,765,956.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.