Finding the Fourth Proportional to 2,144,037.76, 2,958,777.93 and 1,177,230.76
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Solution
The fourth proportional to 2,144,037.76, 2,958,777.93 and 1,177,230.76 is: 1,624,581.65
Step by Step Solution
- Step 1: Write the proportion equation
2,144,037.76 : 2,958,777.93 = 1,177,230.76 : x - Step 2: Convert to fraction form
2,144,037.76/2,958,777.93 = 1,177,230.76/x - Step 3: Cross multiply
2,144,037.76x = 2,958,777.93 × 1,177,230.76 - Step 4: Simplify right side
2,144,037.76x = 3,483,164,391,205.13 - Step 5: Solve for x
x = 3,483,164,391,205.13/2,144,037.76 - Step 6: Final answer
x = 1,624,581.65
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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.