Finding the Fourth Proportional to 4,218,346.02, 5,821,315.74 and 2,284,606.70
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Solution
The fourth proportional to 4,218,346.02, 5,821,315.74 and 2,284,606.70 is: 3,152,756.28
Step by Step Solution
- Step 1: Write the proportion equation
4,218,346.02 : 5,821,315.74 = 2,284,606.70 : x - Step 2: Convert to fraction form
4,218,346.02/5,821,315.74 = 2,284,606.70/x - Step 3: Cross multiply
4,218,346.02x = 5,821,315.74 × 2,284,606.70 - Step 4: Simplify right side
4,218,346.02x = 13,299,416,913,312.88 - Step 5: Solve for x
x = 13,299,416,913,312.88/4,218,346.02 - Step 6: Final answer
x = 3,152,756.28
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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.