Finding the Fourth Proportional to 5,995,315.40, 8,989,862.70 and 2,206,848.20
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Solution
The fourth proportional to 5,995,315.40, 8,989,862.70 and 2,206,848.20 is: 3,309,127.38
Step by Step Solution
- Step 1: Write the proportion equation
5,995,315.40 : 8,989,862.70 = 2,206,848.20 : x - Step 2: Convert to fraction form
5,995,315.40/8,989,862.70 = 2,206,848.20/x - Step 3: Cross multiply
5,995,315.40x = 8,989,862.70 × 2,206,848.20 - Step 4: Simplify right side
5,995,315.40x = 19,839,262,317,742.14 - Step 5: Solve for x
x = 19,839,262,317,742.14/5,995,315.40 - Step 6: Final answer
x = 3,309,127.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.