Finding the Fourth Proportional to 1,469,572.14, 2,027,991.74 and 824,975.76
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Solution
The fourth proportional to 1,469,572.14, 2,027,991.74 and 824,975.76 is: 1,138,456.55
Step by Step Solution
- Step 1: Write the proportion equation
1,469,572.14 : 2,027,991.74 = 824,975.76 : x - Step 2: Convert to fraction form
1,469,572.14/2,027,991.74 = 824,975.76/x - Step 3: Cross multiply
1,469,572.14x = 2,027,991.74 × 824,975.76 - Step 4: Simplify right side
1,469,572.14x = 1,673,044,026,980.22 - Step 5: Solve for x
x = 1,673,044,026,980.22/1,469,572.14 - Step 6: Final answer
x = 1,138,456.55
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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.