Finding the Fourth Proportional to 5,890,772.53, 8,129,314.85 and 3,312,430.75
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Solution
The fourth proportional to 5,890,772.53, 8,129,314.85 and 3,312,430.75 is: 4,571,181.85
Step by Step Solution
- Step 1: Write the proportion equation
5,890,772.53 : 8,129,314.85 = 3,312,430.75 : x - Step 2: Convert to fraction form
5,890,772.53/8,129,314.85 = 3,312,430.75/x - Step 3: Cross multiply
5,890,772.53x = 8,129,314.85 × 3,312,430.75 - Step 4: Simplify right side
5,890,772.53x = 26,927,792,485,571.64 - Step 5: Solve for x
x = 26,927,792,485,571.64/5,890,772.53 - Step 6: Final answer
x = 4,571,181.85
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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.