Finding the Fourth Proportional to 7,453,684.60, 10,285,846.50 and 4,190,637.40
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Solution
The fourth proportional to 7,453,684.60, 10,285,846.50 and 4,190,637.40 is: 5,782,945.66
Step by Step Solution
- Step 1: Write the proportion equation
7,453,684.60 : 10,285,846.50 = 4,190,637.40 : x - Step 2: Convert to fraction form
7,453,684.60/10,285,846.50 = 4,190,637.40/x - Step 3: Cross multiply
7,453,684.60x = 10,285,846.50 × 4,190,637.40 - Step 4: Simplify right side
7,453,684.60x = 43,104,253,033,559.10 - Step 5: Solve for x
x = 43,104,253,033,559.10/7,453,684.60 - Step 6: Final answer
x = 5,782,945.66
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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.