Finding the Fourth Proportional to 5,472,804.70, 8,209,207.05 and 4,477,476.70
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Solution
The fourth proportional to 5,472,804.70, 8,209,207.05 and 4,477,476.70 is: 6,716,215.05
Step by Step Solution
- Step 1: Write the proportion equation
5,472,804.70 : 8,209,207.05 = 4,477,476.70 : x - Step 2: Convert to fraction form
5,472,804.70/8,209,207.05 = 4,477,476.70/x - Step 3: Cross multiply
5,472,804.70x = 8,209,207.05 × 4,477,476.70 - Step 4: Simplify right side
5,472,804.70x = 36,756,533,291,850.73 - Step 5: Solve for x
x = 36,756,533,291,850.73/5,472,804.70 - Step 6: Final answer
x = 6,716,215.05
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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.