Finding the Fourth Proportional to 4,526,396.55, 6,246,302.36 and 2,489,206.05
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Solution
The fourth proportional to 4,526,396.55, 6,246,302.36 and 2,489,206.05 is: 3,435,035.67
Step by Step Solution
- Step 1: Write the proportion equation
4,526,396.55 : 6,246,302.36 = 2,489,206.05 : x - Step 2: Convert to fraction form
4,526,396.55/6,246,302.36 = 2,489,206.05/x - Step 3: Cross multiply
4,526,396.55x = 6,246,302.36 × 2,489,206.05 - Step 4: Simplify right side
4,526,396.55x = 15,548,333,624,641.28 - Step 5: Solve for x
x = 15,548,333,624,641.28/4,526,396.55 - Step 6: Final answer
x = 3,435,035.67
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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.