Finding the Fourth Proportional to 3,582,613.26, 4,943,782.35 and 1,972,981.26
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Solution
The fourth proportional to 3,582,613.26, 4,943,782.35 and 1,972,981.26 is: 2,722,590.81
Step by Step Solution
- Step 1: Write the proportion equation
3,582,613.26 : 4,943,782.35 = 1,972,981.26 : x - Step 2: Convert to fraction form
3,582,613.26/4,943,782.35 = 1,972,981.26/x - Step 3: Cross multiply
3,582,613.26x = 4,943,782.35 × 1,972,981.26 - Step 4: Simplify right side
3,582,613.26x = 9,753,989,930,068.76 - Step 5: Solve for x
x = 9,753,989,930,068.76/3,582,613.26 - Step 6: Final answer
x = 2,722,590.81
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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.