Finding the Fourth Proportional to 1,463,034.51, 2,018,990.61 and 818,465.49
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Solution
The fourth proportional to 1,463,034.51, 2,018,990.61 and 818,465.49 is: 1,129,484.05
Step by Step Solution
- Step 1: Write the proportion equation
1,463,034.51 : 2,018,990.61 = 818,465.49 : x - Step 2: Convert to fraction form
1,463,034.51/2,018,990.61 = 818,465.49/x - Step 3: Cross multiply
1,463,034.51x = 2,018,990.61 × 818,465.49 - Step 4: Simplify right side
1,463,034.51x = 1,652,474,138,919.05 - Step 5: Solve for x
x = 1,652,474,138,919.05/1,463,034.51 - Step 6: Final answer
x = 1,129,484.05
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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.