Finding the Fourth Proportional to 1,523,911.13, 2,102,916.56 and 870,408.82
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Solution
The fourth proportional to 1,523,911.13, 2,102,916.56 and 870,408.82 is: 1,201,118.02
Step by Step Solution
- Step 1: Write the proportion equation
1,523,911.13 : 2,102,916.56 = 870,408.82 : x - Step 2: Convert to fraction form
1,523,911.13/2,102,916.56 = 870,408.82/x - Step 3: Cross multiply
1,523,911.13x = 2,102,916.56 × 870,408.82 - Step 4: Simplify right side
1,523,911.13x = 1,830,397,116,358.23 - Step 5: Solve for x
x = 1,830,397,116,358.23/1,523,911.13 - Step 6: Final answer
x = 1,201,118.02
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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.