Finding the Fourth Proportional to 1,690,577.19, 2,333,235.69 and 1,046,204.91
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Solution
The fourth proportional to 1,690,577.19, 2,333,235.69 and 1,046,204.91 is: 1,443,910.78
Step by Step Solution
- Step 1: Write the proportion equation
1,690,577.19 : 2,333,235.69 = 1,046,204.91 : x - Step 2: Convert to fraction form
1,690,577.19/2,333,235.69 = 1,046,204.91/x - Step 3: Cross multiply
1,690,577.19x = 2,333,235.69 × 1,046,204.91 - Step 4: Simplify right side
1,690,577.19x = 2,441,042,635,065.24 - Step 5: Solve for x
x = 2,441,042,635,065.24/1,690,577.19 - Step 6: Final answer
x = 1,443,910.78
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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.