Finding the Fourth Proportional to 7,625,946.42, 11,438,909.97 and 1,946,170.86
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Solution
The fourth proportional to 7,625,946.42, 11,438,909.97 and 1,946,170.86 is: 2,919,253.82
Step by Step Solution
- Step 1: Write the proportion equation
7,625,946.42 : 11,438,909.97 = 1,946,170.86 : x - Step 2: Convert to fraction form
7,625,946.42/11,438,909.97 = 1,946,170.86/x - Step 3: Cross multiply
7,625,946.42x = 11,438,909.97 × 1,946,170.86 - Step 4: Simplify right side
7,625,946.42x = 22,262,073,253,777.48 - Step 5: Solve for x
x = 22,262,073,253,777.48/7,625,946.42 - Step 6: Final answer
x = 2,919,253.82
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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.