Finding the Fourth Proportional to 1,754,290.94, 2,420,921.12 and 990,344.48
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Solution
The fourth proportional to 1,754,290.94, 2,420,921.12 and 990,344.48 is: 1,366,675.17
Step by Step Solution
- Step 1: Write the proportion equation
1,754,290.94 : 2,420,921.12 = 990,344.48 : x - Step 2: Convert to fraction form
1,754,290.94/2,420,921.12 = 990,344.48/x - Step 3: Cross multiply
1,754,290.94x = 2,420,921.12 × 990,344.48 - Step 4: Simplify right side
1,754,290.94x = 2,397,545,867,707.42 - Step 5: Solve for x
x = 2,397,545,867,707.42/1,754,290.94 - Step 6: Final answer
x = 1,366,675.17
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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.