Finding the Fourth Proportional to 1,623,553.32, 2,238,670.09 and 1,214,343.75
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Solution
The fourth proportional to 1,623,553.32, 2,238,670.09 and 1,214,343.75 is: 1,674,423.01
Step by Step Solution
- Step 1: Write the proportion equation
1,623,553.32 : 2,238,670.09 = 1,214,343.75 : x - Step 2: Convert to fraction form
1,623,553.32/2,238,670.09 = 1,214,343.75/x - Step 3: Cross multiply
1,623,553.32x = 2,238,670.09 × 1,214,343.75 - Step 4: Simplify right side
1,623,553.32x = 2,718,515,032,103.44 - Step 5: Solve for x
x = 2,718,515,032,103.44/1,623,553.32 - Step 6: Final answer
x = 1,674,423.01
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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.