Finding the Fourth Proportional to 4,718,155.06, 7,077,220.68 and 1,306,430.26
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Solution
The fourth proportional to 4,718,155.06, 7,077,220.68 and 1,306,430.26 is: 1,959,642.09
Step by Step Solution
- Step 1: Write the proportion equation
4,718,155.06 : 7,077,220.68 = 1,306,430.26 : x - Step 2: Convert to fraction form
4,718,155.06/7,077,220.68 = 1,306,430.26/x - Step 3: Cross multiply
4,718,155.06x = 7,077,220.68 × 1,306,430.26 - Step 4: Simplify right side
4,718,155.06x = 9,245,895,253,049.78 - Step 5: Solve for x
x = 9,245,895,253,049.78/4,718,155.06 - Step 6: Final answer
x = 1,959,642.09
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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.