Finding the Fourth Proportional to 5,928,491.48, 8,180,938 and 3,315,210.88
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Solution
The fourth proportional to 5,928,491.48, 8,180,938 and 3,315,210.88 is: 4,574,778.38
Step by Step Solution
- Step 1: Write the proportion equation
5,928,491.48 : 8,180,938 = 3,315,210.88 : x - Step 2: Convert to fraction form
5,928,491.48/8,180,938 = 3,315,210.88/x - Step 3: Cross multiply
5,928,491.48x = 8,180,938 × 3,315,210.88 - Step 4: Simplify right side
5,928,491.48x = 27,121,534,666,205.44 - Step 5: Solve for x
x = 27,121,534,666,205.44/5,928,491.48 - Step 6: Final answer
x = 4,574,778.38
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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.