Finding the Fourth Proportional to 1,643,348.97, 2,476,240.50 and 1,350,392.12
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Solution
The fourth proportional to 1,643,348.97, 2,476,240.50 and 1,350,392.12 is: 2,034,805.58
Step by Step Solution
- Step 1: Write the proportion equation
1,643,348.97 : 2,476,240.50 = 1,350,392.12 : x - Step 2: Convert to fraction form
1,643,348.97/2,476,240.50 = 1,350,392.12/x - Step 3: Cross multiply
1,643,348.97x = 2,476,240.50 × 1,350,392.12 - Step 4: Simplify right side
1,643,348.97x = 3,343,895,660,393.53 - Step 5: Solve for x
x = 3,343,895,660,393.53/1,643,348.97 - Step 6: Final answer
x = 2,034,805.58
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.