Finding the Fourth Proportional to 1,738,688.70, 2,602,503.45 and 1,241,024.70
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Solution
The fourth proportional to 1,738,688.70, 2,602,503.45 and 1,241,024.70 is: 1,857,590.18
Step by Step Solution
- Step 1: Write the proportion equation
1,738,688.70 : 2,602,503.45 = 1,241,024.70 : x - Step 2: Convert to fraction form
1,738,688.70/2,602,503.45 = 1,241,024.70/x - Step 3: Cross multiply
1,738,688.70x = 2,602,503.45 × 1,241,024.70 - Step 4: Simplify right side
1,738,688.70x = 3,229,771,063,285.22 - Step 5: Solve for x
x = 3,229,771,063,285.22/1,738,688.70 - Step 6: Final answer
x = 1,857,590.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.