Finding the Fourth Proportional to 1,497,278.84, 2,066,289.90 and 818,226.68
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Solution
The fourth proportional to 1,497,278.84, 2,066,289.90 and 818,226.68 is: 1,129,177.46
Step by Step Solution
- Step 1: Write the proportion equation
1,497,278.84 : 2,066,289.90 = 818,226.68 : x - Step 2: Convert to fraction form
1,497,278.84/2,066,289.90 = 818,226.68/x - Step 3: Cross multiply
1,497,278.84x = 2,066,289.90 × 818,226.68 - Step 4: Simplify right side
1,497,278.84x = 1,690,693,524,794.53 - Step 5: Solve for x
x = 1,690,693,524,794.53/1,497,278.84 - Step 6: Final answer
x = 1,129,177.46
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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.