Finding the Fourth Proportional to 1,464,312.70, 2,020,736.09 and 819,738.19
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Solution
The fourth proportional to 1,464,312.70, 2,020,736.09 and 819,738.19 is: 1,131,230.06
Step by Step Solution
- Step 1: Write the proportion equation
1,464,312.70 : 2,020,736.09 = 819,738.19 : x - Step 2: Convert to fraction form
1,464,312.70/2,020,736.09 = 819,738.19/x - Step 3: Cross multiply
1,464,312.70x = 2,020,736.09 × 819,738.19 - Step 4: Simplify right side
1,464,312.70x = 1,656,474,549,459.54 - Step 5: Solve for x
x = 1,656,474,549,459.54/1,464,312.70 - Step 6: Final answer
x = 1,131,230.06
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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.