Finding the Fourth Proportional to 3,041,830.26, 4,193,253.56 and 2,315,412.74
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Solution
The fourth proportional to 3,041,830.26, 4,193,253.56 and 2,315,412.74 is: 3,191,865.39
Step by Step Solution
- Step 1: Write the proportion equation
3,041,830.26 : 4,193,253.56 = 2,315,412.74 : x - Step 2: Convert to fraction form
3,041,830.26/4,193,253.56 = 2,315,412.74/x - Step 3: Cross multiply
3,041,830.26x = 4,193,253.56 × 2,315,412.74 - Step 4: Simplify right side
3,041,830.26x = 9,709,112,731,146.02 - Step 5: Solve for x
x = 9,709,112,731,146.02/3,041,830.26 - Step 6: Final answer
x = 3,191,865.39
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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.