Finding the Fourth Proportional to 1,853,436.94, 2,557,602.64 and 1,128,204.05
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Solution
The fourth proportional to 1,853,436.94, 2,557,602.64 and 1,128,204.05 is: 1,556,836.16
Step by Step Solution
- Step 1: Write the proportion equation
1,853,436.94 : 2,557,602.64 = 1,128,204.05 : x - Step 2: Convert to fraction form
1,853,436.94/2,557,602.64 = 1,128,204.05/x - Step 3: Cross multiply
1,853,436.94x = 2,557,602.64 × 1,128,204.05 - Step 4: Simplify right side
1,853,436.94x = 2,885,497,645,360.93 - Step 5: Solve for x
x = 2,885,497,645,360.93/1,853,436.94 - Step 6: Final answer
x = 1,556,836.16
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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.