Finding the Fourth Proportional to 1,554,047.75, 2,331,203.66 and 432,116.75
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Solution
The fourth proportional to 1,554,047.75, 2,331,203.66 and 432,116.75 is: 648,211.84
Step by Step Solution
- Step 1: Write the proportion equation
1,554,047.75 : 2,331,203.66 = 432,116.75 : x - Step 2: Convert to fraction form
1,554,047.75/2,331,203.66 = 432,116.75/x - Step 3: Cross multiply
1,554,047.75x = 2,331,203.66 × 432,116.75 - Step 4: Simplify right side
1,554,047.75x = 1,007,352,149,147.31 - Step 5: Solve for x
x = 1,007,352,149,147.31/1,554,047.75 - Step 6: Final answer
x = 648,211.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.