Finding the Fourth Proportional to 1,554,594.66, 2,331,975.42 and 489,720.06
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Solution
The fourth proportional to 1,554,594.66, 2,331,975.42 and 489,720.06 is: 734,606.37
Step by Step Solution
- Step 1: Write the proportion equation
1,554,594.66 : 2,331,975.42 = 489,720.06 : x - Step 2: Convert to fraction form
1,554,594.66/2,331,975.42 = 489,720.06/x - Step 3: Cross multiply
1,554,594.66x = 2,331,975.42 × 489,720.06 - Step 4: Simplify right side
1,554,594.66x = 1,142,015,142,600.93 - Step 5: Solve for x
x = 1,142,015,142,600.93/1,554,594.66 - Step 6: Final answer
x = 734,606.37
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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.