Finding the Fourth Proportional to 1,488,224.49, 2,053,690.29 and 876,403.05
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Solution
The fourth proportional to 1,488,224.49, 2,053,690.29 and 876,403.05 is: 1,209,401.17
Step by Step Solution
- Step 1: Write the proportion equation
1,488,224.49 : 2,053,690.29 = 876,403.05 : x - Step 2: Convert to fraction form
1,488,224.49/2,053,690.29 = 876,403.05/x - Step 3: Cross multiply
1,488,224.49x = 2,053,690.29 × 876,403.05 - Step 4: Simplify right side
1,488,224.49x = 1,799,860,433,911.38 - Step 5: Solve for x
x = 1,799,860,433,911.38/1,488,224.49 - Step 6: Final answer
x = 1,209,401.17
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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.