Finding the Fourth Proportional to 5,778,485.18, 7,970,469.87 and 3,716,108.19
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Solution
The fourth proportional to 5,778,485.18, 7,970,469.87 and 3,716,108.19 is: 5,125,760.03
Step by Step Solution
- Step 1: Write the proportion equation
5,778,485.18 : 7,970,469.87 = 3,716,108.19 : x - Step 2: Convert to fraction form
5,778,485.18/7,970,469.87 = 3,716,108.19/x - Step 3: Cross multiply
5,778,485.18x = 7,970,469.87 × 3,716,108.19 - Step 4: Simplify right side
5,778,485.18x = 29,619,128,362,055.23 - Step 5: Solve for x
x = 29,619,128,362,055.23/5,778,485.18 - Step 6: Final answer
x = 5,125,760.03
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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.