Finding the Fourth Proportional to 7,710,220.77, 10,640,106.63 and 4,225,697.94
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Solution
The fourth proportional to 7,710,220.77, 10,640,106.63 and 4,225,697.94 is: 5,831,464.23
Step by Step Solution
- Step 1: Write the proportion equation
7,710,220.77 : 10,640,106.63 = 4,225,697.94 : x - Step 2: Convert to fraction form
7,710,220.77/10,640,106.63 = 4,225,697.94/x - Step 3: Cross multiply
7,710,220.77x = 10,640,106.63 × 4,225,697.94 - Step 4: Simplify right side
7,710,220.77x = 44,961,876,611,950.29 - Step 5: Solve for x
x = 44,961,876,611,950.29/7,710,220.77 - Step 6: Final answer
x = 5,831,464.23
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1.5x scale
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.