Finding the Fourth Proportional to 7,605,623.40, 11,408,961.51 and 3,056,676.04
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Solution
The fourth proportional to 7,605,623.40, 11,408,961.51 and 3,056,676.04 is: 4,585,225.62
Step by Step Solution
- Step 1: Write the proportion equation
7,605,623.40 : 11,408,961.51 = 3,056,676.04 : x - Step 2: Convert to fraction form
7,605,623.40/11,408,961.51 = 3,056,676.04/x - Step 3: Cross multiply
7,605,623.40x = 11,408,961.51 × 3,056,676.04 - Step 4: Simplify right side
7,605,623.40x = 34,873,499,288,899.22 - Step 5: Solve for x
x = 34,873,499,288,899.22/7,605,623.40 - Step 6: Final answer
x = 4,585,225.62
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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.