Finding the Fourth Proportional to 3,112,830.41, 4,295,691.68 and 1,717,354.08
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Solution
The fourth proportional to 3,112,830.41, 4,295,691.68 and 1,717,354.08 is: 2,369,940.75
Step by Step Solution
- Step 1: Write the proportion equation
3,112,830.41 : 4,295,691.68 = 1,717,354.08 : x - Step 2: Convert to fraction form
3,112,830.41/4,295,691.68 = 1,717,354.08/x - Step 3: Cross multiply
3,112,830.41x = 4,295,691.68 × 1,717,354.08 - Step 4: Simplify right side
3,112,830.41x = 7,377,223,622,061.77 - Step 5: Solve for x
x = 7,377,223,622,061.77/3,112,830.41 - Step 6: Final answer
x = 2,369,940.75
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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.