Finding the Fourth Proportional to 1,509,752.19, 2,083,515.36 and 865,296.75
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Solution
The fourth proportional to 1,509,752.19, 2,083,515.36 and 865,296.75 is: 1,194,142.38
Step by Step Solution
- Step 1: Write the proportion equation
1,509,752.19 : 2,083,515.36 = 865,296.75 : x - Step 2: Convert to fraction form
1,509,752.19/2,083,515.36 = 865,296.75/x - Step 3: Cross multiply
1,509,752.19x = 2,083,515.36 × 865,296.75 - Step 4: Simplify right side
1,509,752.19x = 1,802,859,069,583.08 - Step 5: Solve for x
x = 1,802,859,069,583.08/1,509,752.19 - Step 6: Final answer
x = 1,194,142.38
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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.