Finding the Fourth Proportional to 5,426,354.22, 8,128,889.84 and 3,147,090.36
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Solution
The fourth proportional to 5,426,354.22, 8,128,889.84 and 3,147,090.36 is: 4,714,463.86
Step by Step Solution
- Step 1: Write the proportion equation
5,426,354.22 : 8,128,889.84 = 3,147,090.36 : x - Step 2: Convert to fraction form
5,426,354.22/8,128,889.84 = 3,147,090.36/x - Step 3: Cross multiply
5,426,354.22x = 8,128,889.84 × 3,147,090.36 - Step 4: Simplify right side
5,426,354.22x = 25,582,350,852,965.94 - Step 5: Solve for x
x = 25,582,350,852,965.94/5,426,354.22 - Step 6: Final answer
x = 4,714,463.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.