Finding the Fourth Proportional to 1,497,175.68, 2,066,153.40 and 818,155.92
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Solution
The fourth proportional to 1,497,175.68, 2,066,153.40 and 818,155.92 is: 1,129,083.02
Step by Step Solution
- Step 1: Write the proportion equation
1,497,175.68 : 2,066,153.40 = 818,155.92 : x - Step 2: Convert to fraction form
1,497,175.68/2,066,153.40 = 818,155.92/x - Step 3: Cross multiply
1,497,175.68x = 2,066,153.40 × 818,155.92 - Step 4: Simplify right side
1,497,175.68x = 1,690,435,635,838.13 - Step 5: Solve for x
x = 1,690,435,635,838.13/1,497,175.68 - Step 6: Final answer
x = 1,129,083.02
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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.