Finding the Fourth Proportional to 7,530,571.84, 10,392,257.44 and 4,092,821.12
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Solution
The fourth proportional to 7,530,571.84, 10,392,257.44 and 4,092,821.12 is: 5,648,130.27
Step by Step Solution
- Step 1: Write the proportion equation
7,530,571.84 : 10,392,257.44 = 4,092,821.12 : x - Step 2: Convert to fraction form
7,530,571.84/10,392,257.44 = 4,092,821.12/x - Step 3: Cross multiply
7,530,571.84x = 10,392,257.44 × 4,092,821.12 - Step 4: Simplify right side
7,530,571.84x = 42,533,650,734,909.13 - Step 5: Solve for x
x = 42,533,650,734,909.13/7,530,571.84 - Step 6: Final answer
x = 5,648,130.27
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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.