Finding the Fourth Proportional to 1,906,603.11, 2,860,003.08 and 486,671.49
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Solution
The fourth proportional to 1,906,603.11, 2,860,003.08 and 486,671.49 is: 730,032.36
Step by Step Solution
- Step 1: Write the proportion equation
1,906,603.11 : 2,860,003.08 = 486,671.49 : x - Step 2: Convert to fraction form
1,906,603.11/2,860,003.08 = 486,671.49/x - Step 3: Cross multiply
1,906,603.11x = 2,860,003.08 × 486,671.49 - Step 4: Simplify right side
1,906,603.11x = 1,391,881,960,348.19 - Step 5: Solve for x
x = 1,391,881,960,348.19/1,906,603.11 - Step 6: Final answer
x = 730,032.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.