Finding the Fourth Proportional to 2,144,683.72, 2,959,652.77 and 1,164,613.99
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Solution
The fourth proportional to 2,144,683.72, 2,959,652.77 and 1,164,613.99 is: 1,607,161.47
Step by Step Solution
- Step 1: Write the proportion equation
2,144,683.72 : 2,959,652.77 = 1,164,613.99 : x - Step 2: Convert to fraction form
2,144,683.72/2,959,652.77 = 1,164,613.99/x - Step 3: Cross multiply
2,144,683.72x = 2,959,652.77 × 1,164,613.99 - Step 4: Simplify right side
2,144,683.72x = 3,446,853,031,597.91 - Step 5: Solve for x
x = 3,446,853,031,597.91/2,144,683.72 - Step 6: Final answer
x = 1,607,161.47
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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.