Finding the Fourth Proportional to 3,643,538.58, 5,459,325.89 and 1,246,075.20
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Solution
The fourth proportional to 3,643,538.58, 5,459,325.89 and 1,246,075.20 is: 1,867,066.99
Step by Step Solution
- Step 1: Write the proportion equation
3,643,538.58 : 5,459,325.89 = 1,246,075.20 : x - Step 2: Convert to fraction form
3,643,538.58/5,459,325.89 = 1,246,075.20/x - Step 3: Cross multiply
3,643,538.58x = 5,459,325.89 × 1,246,075.20 - Step 4: Simplify right side
3,643,538.58x = 6,802,730,594,016.55 - Step 5: Solve for x
x = 6,802,730,594,016.55/3,643,538.58 - Step 6: Final answer
x = 1,867,066.99
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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.