Finding the Fourth Proportional to 3,045,430.08, 4,202,693.46 and 1,821,787.17
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Solution
The fourth proportional to 3,045,430.08, 4,202,693.46 and 1,821,787.17 is: 2,514,066.26
Step by Step Solution
- Step 1: Write the proportion equation
3,045,430.08 : 4,202,693.46 = 1,821,787.17 : x - Step 2: Convert to fraction form
3,045,430.08/4,202,693.46 = 1,821,787.17/x - Step 3: Cross multiply
3,045,430.08x = 4,202,693.46 × 1,821,787.17 - Step 4: Simplify right side
3,045,430.08x = 7,656,413,024,870.91 - Step 5: Solve for x
x = 7,656,413,024,870.91/3,045,430.08 - Step 6: Final answer
x = 2,514,066.26
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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.