Finding the Fourth Proportional to 1,554,393.71, 2,331,918.62 and 489,543.41
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Solution
The fourth proportional to 1,554,393.71, 2,331,918.62 and 489,543.41 is: 734,418.44
Step by Step Solution
- Step 1: Write the proportion equation
1,554,393.71 : 2,331,918.62 = 489,543.41 : x - Step 2: Convert to fraction form
1,554,393.71/2,331,918.62 = 489,543.41/x - Step 3: Cross multiply
1,554,393.71x = 2,331,918.62 × 489,543.41 - Step 4: Simplify right side
1,554,393.71x = 1,141,575,398,295.16 - Step 5: Solve for x
x = 1,141,575,398,295.16/1,554,393.71 - Step 6: Final answer
x = 734,418.44
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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.