Finding the Fourth Proportional to 6,409,986.93, 8,845,445.97 and 3,508,822.08
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Solution
The fourth proportional to 6,409,986.93, 8,845,445.97 and 3,508,822.08 is: 4,841,990.55
Step by Step Solution
- Step 1: Write the proportion equation
6,409,986.93 : 8,845,445.97 = 3,508,822.08 : x - Step 2: Convert to fraction form
6,409,986.93/8,845,445.97 = 3,508,822.08/x - Step 3: Cross multiply
6,409,986.93x = 8,845,445.97 × 3,508,822.08 - Step 4: Simplify right side
6,409,986.93x = 31,037,096,126,983.02 - Step 5: Solve for x
x = 31,037,096,126,983.02/6,409,986.93 - Step 6: Final answer
x = 4,841,990.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.