Finding the Fourth Proportional to 1,623,552.44, 2,238,668.89 and 1,214,342.87
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Solution
The fourth proportional to 1,623,552.44, 2,238,668.89 and 1,214,342.87 is: 1,674,421.80
Step by Step Solution
- Step 1: Write the proportion equation
1,623,552.44 : 2,238,668.89 = 1,214,342.87 : x - Step 2: Convert to fraction form
1,623,552.44/2,238,668.89 = 1,214,342.87/x - Step 3: Cross multiply
1,623,552.44x = 2,238,668.89 × 1,214,342.87 - Step 4: Simplify right side
1,623,552.44x = 2,718,511,607,423.13 - Step 5: Solve for x
x = 2,718,511,607,423.13/1,623,552.44 - Step 6: Final answer
x = 1,674,421.80
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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.