Finding the Fourth Proportional to 1,509,731.79, 2,083,487.19 and 865,276.35
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Solution
The fourth proportional to 1,509,731.79, 2,083,487.19 and 865,276.35 is: 1,194,114.21
Step by Step Solution
- Step 1: Write the proportion equation
1,509,731.79 : 2,083,487.19 = 865,276.35 : x - Step 2: Convert to fraction form
1,509,731.79/2,083,487.19 = 865,276.35/x - Step 3: Cross multiply
1,509,731.79x = 2,083,487.19 × 865,276.35 - Step 4: Simplify right side
1,509,731.79x = 1,802,792,191,034.96 - Step 5: Solve for x
x = 1,802,792,191,034.96/1,509,731.79 - Step 6: Final answer
x = 1,194,114.21
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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.