Finding the Fourth Proportional to 1,331,451.18, 1,997,176.68 and 1,106,972.64
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Solution
The fourth proportional to 1,331,451.18, 1,997,176.68 and 1,106,972.64 is: 1,660,458.89
Step by Step Solution
- Step 1: Write the proportion equation
1,331,451.18 : 1,997,176.68 = 1,106,972.64 : x - Step 2: Convert to fraction form
1,331,451.18/1,997,176.68 = 1,106,972.64/x - Step 3: Cross multiply
1,331,451.18x = 1,997,176.68 × 1,106,972.64 - Step 4: Simplify right side
1,331,451.18x = 2,210,819,942,006.04 - Step 5: Solve for x
x = 2,210,819,942,006.04/1,331,451.18 - Step 6: Final answer
x = 1,660,458.89
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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.