Finding the Fourth Proportional to 4,887,432.06, 6,744,332.12 and 2,711,837.26
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Solution
The fourth proportional to 4,887,432.06, 6,744,332.12 and 2,711,837.26 is: 3,742,155.58
Step by Step Solution
- Step 1: Write the proportion equation
4,887,432.06 : 6,744,332.12 = 2,711,837.26 : x - Step 2: Convert to fraction form
4,887,432.06/6,744,332.12 = 2,711,837.26/x - Step 3: Cross multiply
4,887,432.06x = 6,744,332.12 × 2,711,837.26 - Step 4: Simplify right side
4,887,432.06x = 18,289,531,136,830.79 - Step 5: Solve for x
x = 18,289,531,136,830.79/4,887,432.06 - Step 6: Final answer
x = 3,742,155.58
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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.