Finding the Fourth Proportional to 1,462,761.84, 2,018,798.28 and 818,217.84
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Solution
The fourth proportional to 1,462,761.84, 2,018,798.28 and 818,217.84 is: 1,129,245.19
Step by Step Solution
- Step 1: Write the proportion equation
1,462,761.84 : 2,018,798.28 = 818,217.84 : x - Step 2: Convert to fraction form
1,462,761.84/2,018,798.28 = 818,217.84/x - Step 3: Cross multiply
1,462,761.84x = 2,018,798.28 × 818,217.84 - Step 4: Simplify right side
1,462,761.84x = 1,651,816,768,057.32 - Step 5: Solve for x
x = 1,651,816,768,057.32/1,462,761.84 - Step 6: Final answer
x = 1,129,245.19
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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.