Finding the Fourth Proportional to 5,550,476.09, 8,326,902.53 and 1,660,238.78
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Solution
The fourth proportional to 5,550,476.09, 8,326,902.53 and 1,660,238.78 is: 2,490,713.63
Step by Step Solution
- Step 1: Write the proportion equation
5,550,476.09 : 8,326,902.53 = 1,660,238.78 : x - Step 2: Convert to fraction form
5,550,476.09/8,326,902.53 = 1,660,238.78/x - Step 3: Cross multiply
5,550,476.09x = 8,326,902.53 × 1,660,238.78 - Step 4: Simplify right side
5,550,476.09x = 13,824,646,447,650.41 - Step 5: Solve for x
x = 13,824,646,447,650.41/5,550,476.09 - Step 6: Final answer
x = 2,490,713.63
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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.