Finding the Fourth Proportional to 3,220,502.25, 4,833,148.20 and 1,301,430.09
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Solution
The fourth proportional to 3,220,502.25, 4,833,148.20 and 1,301,430.09 is: 1,953,112.90
Step by Step Solution
- Step 1: Write the proportion equation
3,220,502.25 : 4,833,148.20 = 1,301,430.09 : x - Step 2: Convert to fraction form
3,220,502.25/4,833,148.20 = 1,301,430.09/x - Step 3: Cross multiply
3,220,502.25x = 4,833,148.20 × 1,301,430.09 - Step 4: Simplify right side
3,220,502.25x = 6,290,004,482,966.82 - Step 5: Solve for x
x = 6,290,004,482,966.82/3,220,502.25 - Step 6: Final answer
x = 1,953,112.90
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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.