Finding the Fourth Proportional to 7,639,876.06, 10,545,771.30 and 4,542,392
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Solution
The fourth proportional to 7,639,876.06, 10,545,771.30 and 4,542,392 is: 6,270,131.45
Step by Step Solution
- Step 1: Write the proportion equation
7,639,876.06 : 10,545,771.30 = 4,542,392 : x - Step 2: Convert to fraction form
7,639,876.06/10,545,771.30 = 4,542,392/x - Step 3: Cross multiply
7,639,876.06x = 10,545,771.30 × 4,542,392 - Step 4: Simplify right side
7,639,876.06x = 47,903,027,186,949.60 - Step 5: Solve for x
x = 47,903,027,186,949.60/7,639,876.06 - Step 6: Final answer
x = 6,270,131.45
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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.