Finding the Fourth Proportional to 3,607,380.34, 4,975,789.84 and 2,319,849.70
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Solution
The fourth proportional to 3,607,380.34, 4,975,789.84 and 2,319,849.70 is: 3,199,852.38
Step by Step Solution
- Step 1: Write the proportion equation
3,607,380.34 : 4,975,789.84 = 2,319,849.70 : x - Step 2: Convert to fraction form
3,607,380.34/4,975,789.84 = 2,319,849.70/x - Step 3: Cross multiply
3,607,380.34x = 4,975,789.84 × 2,319,849.70 - Step 4: Simplify right side
3,607,380.34x = 11,543,084,567,587.05 - Step 5: Solve for x
x = 11,543,084,567,587.05/3,607,380.34 - Step 6: Final answer
x = 3,199,852.38
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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.