Finding the Fourth Proportional to 7,605,630.88, 11,408,861.85 and 1,925,904.40
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Solution
The fourth proportional to 7,605,630.88, 11,408,861.85 and 1,925,904.40 is: 2,888,961.82
Step by Step Solution
- Step 1: Write the proportion equation
7,605,630.88 : 11,408,861.85 = 1,925,904.40 : x - Step 2: Convert to fraction form
7,605,630.88/11,408,861.85 = 1,925,904.40/x - Step 3: Cross multiply
7,605,630.88x = 11,408,861.85 × 1,925,904.40 - Step 4: Simplify right side
7,605,630.88x = 21,972,377,200,162.84 - Step 5: Solve for x
x = 21,972,377,200,162.84/7,605,630.88 - Step 6: Final answer
x = 2,888,961.82
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1.5x scale
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.