Finding the Fourth Proportional to 3,433,617.84, 4,738,392.36 and 1,905,724.56
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Solution
The fourth proportional to 3,433,617.84, 4,738,392.36 and 1,905,724.56 is: 2,629,899.75
Step by Step Solution
- Step 1: Write the proportion equation
3,433,617.84 : 4,738,392.36 = 1,905,724.56 : x - Step 2: Convert to fraction form
3,433,617.84/4,738,392.36 = 1,905,724.56/x - Step 3: Cross multiply
3,433,617.84x = 4,738,392.36 × 1,905,724.56 - Step 4: Simplify right side
3,433,617.84x = 9,030,070,695,368.36 - Step 5: Solve for x
x = 9,030,070,695,368.36/3,433,617.84 - Step 6: Final answer
x = 2,629,899.75
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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.