Finding the Fourth Proportional to 7,804,953.18, 10,769,550.30 and 4,902,276.60
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Solution
The fourth proportional to 7,804,953.18, 10,769,550.30 and 4,902,276.60 is: 6,764,334.55
Step by Step Solution
- Step 1: Write the proportion equation
7,804,953.18 : 10,769,550.30 = 4,902,276.60 : x - Step 2: Convert to fraction form
7,804,953.18/10,769,550.30 = 4,902,276.60/x - Step 3: Cross multiply
7,804,953.18x = 10,769,550.30 × 4,902,276.60 - Step 4: Simplify right side
7,804,953.18x = 52,795,314,428,212.98 - Step 5: Solve for x
x = 52,795,314,428,212.98/7,804,953.18 - Step 6: Final answer
x = 6,764,334.55
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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.