Finding the Fourth Proportional to 1,897,553.13, 2,831,425.79 and 1,781,738.63
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Solution
The fourth proportional to 1,897,553.13, 2,831,425.79 and 1,781,738.63 is: 2,658,613.67
Step by Step Solution
- Step 1: Write the proportion equation
1,897,553.13 : 2,831,425.79 = 1,781,738.63 : x - Step 2: Convert to fraction form
1,897,553.13/2,831,425.79 = 1,781,738.63/x - Step 3: Cross multiply
1,897,553.13x = 2,831,425.79 × 1,781,738.63 - Step 4: Simplify right side
1,897,553.13x = 5,044,860,684,955.45 - Step 5: Solve for x
x = 5,044,860,684,955.45/1,897,553.13 - Step 6: Final answer
x = 2,658,613.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.