Finding the Fourth Proportional to 7,244,329.20, 10,866,493.80 and 4,724,905.20
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Solution
The fourth proportional to 7,244,329.20, 10,866,493.80 and 4,724,905.20 is: 7,087,357.80
Step by Step Solution
- Step 1: Write the proportion equation
7,244,329.20 : 10,866,493.80 = 4,724,905.20 : x - Step 2: Convert to fraction form
7,244,329.20/10,866,493.80 = 4,724,905.20/x - Step 3: Cross multiply
7,244,329.20x = 10,866,493.80 × 4,724,905.20 - Step 4: Simplify right side
7,244,329.20x = 51,343,153,061,387.77 - Step 5: Solve for x
x = 51,343,153,061,387.77/7,244,329.20 - Step 6: Final answer
x = 7,087,357.80
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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.