Finding the Fourth Proportional to 5,029,881.78, 6,941,237.68 and 2,738,059.62
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Solution
The fourth proportional to 5,029,881.78, 6,941,237.68 and 2,738,059.62 is: 3,778,522.72
Step by Step Solution
- Step 1: Write the proportion equation
5,029,881.78 : 6,941,237.68 = 2,738,059.62 : x - Step 2: Convert to fraction form
5,029,881.78/6,941,237.68 = 2,738,059.62/x - Step 3: Cross multiply
5,029,881.78x = 6,941,237.68 × 2,738,059.62 - Step 4: Simplify right side
5,029,881.78x = 19,005,522,604,430.48 - Step 5: Solve for x
x = 19,005,522,604,430.48/5,029,881.78 - Step 6: Final answer
x = 3,778,522.72
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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.