Finding the Fourth Proportional to 7,644,456.54, 11,466,708.62 and 1,887,190.79
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Solution
The fourth proportional to 7,644,456.54, 11,466,708.62 and 1,887,190.79 is: 2,830,792.05
Step by Step Solution
- Step 1: Write the proportion equation
7,644,456.54 : 11,466,708.62 = 1,887,190.79 : x - Step 2: Convert to fraction form
7,644,456.54/11,466,708.62 = 1,887,190.79/x - Step 3: Cross multiply
7,644,456.54x = 11,466,708.62 × 1,887,190.79 - Step 4: Simplify right side
7,644,456.54x = 21,639,866,832,508.11 - Step 5: Solve for x
x = 21,639,866,832,508.11/7,644,456.54 - Step 6: Final answer
x = 2,830,792.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.