Finding the Fourth Proportional to 6,122,261.80, 9,184,364.70 and 2,079,130.60
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Solution
The fourth proportional to 6,122,261.80, 9,184,364.70 and 2,079,130.60 is: 3,119,025.99
Step by Step Solution
- Step 1: Write the proportion equation
6,122,261.80 : 9,184,364.70 = 2,079,130.60 : x - Step 2: Convert to fraction form
6,122,261.80/9,184,364.70 = 2,079,130.60/x - Step 3: Cross multiply
6,122,261.80x = 9,184,364.70 × 2,079,130.60 - Step 4: Simplify right side
6,122,261.80x = 19,095,493,689,329.82 - Step 5: Solve for x
x = 19,095,493,689,329.82/6,122,261.80 - Step 6: Final answer
x = 3,119,025.99
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1.5x scale
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.