Finding the Fourth Proportional to 5,398,156.80, 8,097,235.20 and 2,202,220.80
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Solution
The fourth proportional to 5,398,156.80, 8,097,235.20 and 2,202,220.80 is: 3,303,331.20
Step by Step Solution
- Step 1: Write the proportion equation
5,398,156.80 : 8,097,235.20 = 2,202,220.80 : x - Step 2: Convert to fraction form
5,398,156.80/8,097,235.20 = 2,202,220.80/x - Step 3: Cross multiply
5,398,156.80x = 8,097,235.20 × 2,202,220.80 - Step 4: Simplify right side
5,398,156.80x = 17,831,899,779,932.16 - Step 5: Solve for x
x = 17,831,899,779,932.16/5,398,156.80 - Step 6: Final answer
x = 3,303,331.20
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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.