Finding the Fourth Proportional to 1,532,651.63, 2,115,124.85 and 853,588.13
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Solution
The fourth proportional to 1,532,651.63, 2,115,124.85 and 853,588.13 is: 1,177,988.15
Step by Step Solution
- Step 1: Write the proportion equation
1,532,651.63 : 2,115,124.85 = 853,588.13 : x - Step 2: Convert to fraction form
1,532,651.63/2,115,124.85 = 853,588.13/x - Step 3: Cross multiply
1,532,651.63x = 2,115,124.85 × 853,588.13 - Step 4: Simplify right side
1,532,651.63x = 1,805,445,456,986.38 - Step 5: Solve for x
x = 1,805,445,456,986.38/1,532,651.63 - Step 6: Final answer
x = 1,177,988.15
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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.