Finding the Fourth Proportional to 5,591,326.12, 8,374,695.50 and 4,620,781.99
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Solution
The fourth proportional to 5,591,326.12, 8,374,695.50 and 4,620,781.99 is: 6,921,013.25
Step by Step Solution
- Step 1: Write the proportion equation
5,591,326.12 : 8,374,695.50 = 4,620,781.99 : x - Step 2: Convert to fraction form
5,591,326.12/8,374,695.50 = 4,620,781.99/x - Step 3: Cross multiply
5,591,326.12x = 8,374,695.50 × 4,620,781.99 - Step 4: Simplify right side
5,591,326.12x = 38,697,642,160,154.37 - Step 5: Solve for x
x = 38,697,642,160,154.37/5,591,326.12 - Step 6: Final answer
x = 6,921,013.25
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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.