Finding the Fourth Proportional to 1,509,753.93, 2,083,517.76 and 865,298.49
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Solution
The fourth proportional to 1,509,753.93, 2,083,517.76 and 865,298.49 is: 1,194,144.78
Step by Step Solution
- Step 1: Write the proportion equation
1,509,753.93 : 2,083,517.76 = 865,298.49 : x - Step 2: Convert to fraction form
1,509,753.93/2,083,517.76 = 865,298.49/x - Step 3: Cross multiply
1,509,753.93x = 2,083,517.76 × 865,298.49 - Step 4: Simplify right side
1,509,753.93x = 1,802,864,771,616.18 - Step 5: Solve for x
x = 1,802,864,771,616.18/1,509,753.93 - Step 6: Final answer
x = 1,194,144.78
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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.