Finding the Fourth Proportional to 4,746,220.14, 7,120,535.74 and 1,380,427.14
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Solution
The fourth proportional to 4,746,220.14, 7,120,535.74 and 1,380,427.14 is: 2,070,991.34
Step by Step Solution
- Step 1: Write the proportion equation
4,746,220.14 : 7,120,535.74 = 1,380,427.14 : x - Step 2: Convert to fraction form
4,746,220.14/7,120,535.74 = 1,380,427.14/x - Step 3: Cross multiply
4,746,220.14x = 7,120,535.74 × 1,380,427.14 - Step 4: Simplify right side
4,746,220.14x = 9,829,380,786,835.98 - Step 5: Solve for x
x = 9,829,380,786,835.98/4,746,220.14 - Step 6: Final answer
x = 2,070,991.34
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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.