Finding the Fourth Proportional to 5,446,830.80, 8,170,246.20 and 2,415,648.80
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Solution
The fourth proportional to 5,446,830.80, 8,170,246.20 and 2,415,648.80 is: 3,623,473.20
Step by Step Solution
- Step 1: Write the proportion equation
5,446,830.80 : 8,170,246.20 = 2,415,648.80 : x - Step 2: Convert to fraction form
5,446,830.80/8,170,246.20 = 2,415,648.80/x - Step 3: Cross multiply
5,446,830.80x = 8,170,246.20 × 2,415,648.80 - Step 4: Simplify right side
5,446,830.80x = 19,736,445,428,734.56 - Step 5: Solve for x
x = 19,736,445,428,734.56/5,446,830.80 - Step 6: Final answer
x = 3,623,473.20
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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.