Finding the Fourth Proportional to 3,679,515.06, 5,520,191.07 and 1,283,394.12
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Solution
The fourth proportional to 3,679,515.06, 5,520,191.07 and 1,283,394.12 is: 1,925,411.54
Step by Step Solution
- Step 1: Write the proportion equation
3,679,515.06 : 5,520,191.07 = 1,283,394.12 : x - Step 2: Convert to fraction form
3,679,515.06/5,520,191.07 = 1,283,394.12/x - Step 3: Cross multiply
3,679,515.06x = 5,520,191.07 × 1,283,394.12 - Step 4: Simplify right side
3,679,515.06x = 7,084,580,760,514.51 - Step 5: Solve for x
x = 7,084,580,760,514.51/3,679,515.06 - Step 6: Final answer
x = 1,925,411.54
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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.