Finding the Fourth Proportional to 6,155,012.39, 8,494,239.99 and 3,708,391.19
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Solution
The fourth proportional to 6,155,012.39, 8,494,239.99 and 3,708,391.19 is: 5,117,774.38
Step by Step Solution
- Step 1: Write the proportion equation
6,155,012.39 : 8,494,239.99 = 3,708,391.19 : x - Step 2: Convert to fraction form
6,155,012.39/8,494,239.99 = 3,708,391.19/x - Step 3: Cross multiply
6,155,012.39x = 8,494,239.99 × 3,708,391.19 - Step 4: Simplify right side
6,155,012.39x = 31,499,964,702,190.49 - Step 5: Solve for x
x = 31,499,964,702,190.49/6,155,012.39 - Step 6: Final answer
x = 5,117,774.38
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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.