Finding the Fourth Proportional to 4,272,973.97, 6,407,405.17 and 1,431,098.69
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Solution
The fourth proportional to 4,272,973.97, 6,407,405.17 and 1,431,098.69 is: 2,145,959.51
Step by Step Solution
- Step 1: Write the proportion equation
4,272,973.97 : 6,407,405.17 = 1,431,098.69 : x - Step 2: Convert to fraction form
4,272,973.97/6,407,405.17 = 1,431,098.69/x - Step 3: Cross multiply
4,272,973.97x = 6,407,405.17 × 1,431,098.69 - Step 4: Simplify right side
4,272,973.97x = 9,169,629,109,471.46 - Step 5: Solve for x
x = 9,169,629,109,471.46/4,272,973.97 - Step 6: Final answer
x = 2,145,959.51
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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.