Finding the Fourth Proportional to 1,541,745.63, 2,127,583.18 and 853,402.71
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Solution
The fourth proportional to 1,541,745.63, 2,127,583.18 and 853,402.71 is: 1,177,681.46
Step by Step Solution
- Step 1: Write the proportion equation
1,541,745.63 : 2,127,583.18 = 853,402.71 : x - Step 2: Convert to fraction form
1,541,745.63/2,127,583.18 = 853,402.71/x - Step 3: Cross multiply
1,541,745.63x = 2,127,583.18 × 853,402.71 - Step 4: Simplify right side
1,541,745.63x = 1,815,685,251,562.42 - Step 5: Solve for x
x = 1,815,685,251,562.42/1,541,745.63 - Step 6: Final answer
x = 1,177,681.46
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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.