Finding the Fourth Proportional to 1,820,963.41, 2,512,930.01 and 1,005,167.62
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Solution
The fourth proportional to 1,820,963.41, 2,512,930.01 and 1,005,167.62 is: 1,387,131.59
Step by Step Solution
- Step 1: Write the proportion equation
1,820,963.41 : 2,512,930.01 = 1,005,167.62 : x - Step 2: Convert to fraction form
1,820,963.41/2,512,930.01 = 1,005,167.62/x - Step 3: Cross multiply
1,820,963.41x = 2,512,930.01 × 1,005,167.62 - Step 4: Simplify right side
1,820,963.41x = 2,525,915,859,787.79 - Step 5: Solve for x
x = 2,525,915,859,787.79/1,820,963.41 - Step 6: Final answer
x = 1,387,131.59
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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.