Finding the Fourth Proportional to 1,554,837.48, 2,144,942.64 and 909,862.08
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Solution
The fourth proportional to 1,554,837.48, 2,144,942.64 and 909,862.08 is: 1,255,180.68
Step by Step Solution
- Step 1: Write the proportion equation
1,554,837.48 : 2,144,942.64 = 909,862.08 : x - Step 2: Convert to fraction form
1,554,837.48/2,144,942.64 = 909,862.08/x - Step 3: Cross multiply
1,554,837.48x = 2,144,942.64 × 909,862.08 - Step 4: Simplify right side
1,554,837.48x = 1,951,601,971,911.09 - Step 5: Solve for x
x = 1,951,601,971,911.09/1,554,837.48 - Step 6: Final answer
x = 1,255,180.68
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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.