Finding the Fourth Proportional to 1,765,395.66, 2,647,699.41 and 818,643.36
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Solution
The fourth proportional to 1,765,395.66, 2,647,699.41 and 818,643.36 is: 1,227,782.30
Step by Step Solution
- Step 1: Write the proportion equation
1,765,395.66 : 2,647,699.41 = 818,643.36 : x - Step 2: Convert to fraction form
1,765,395.66/2,647,699.41 = 818,643.36/x - Step 3: Cross multiply
1,765,395.66x = 2,647,699.41 × 818,643.36 - Step 4: Simplify right side
1,765,395.66x = 2,167,521,541,272.42 - Step 5: Solve for x
x = 2,167,521,541,272.42/1,765,395.66 - Step 6: Final answer
x = 1,227,782.30
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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.