Finding the Fourth Proportional to 4,884,163.40, 6,740,559.53 and 2,709,407.26
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Solution
The fourth proportional to 4,884,163.40, 6,740,559.53 and 2,709,407.26 is: 3,739,211.70
Step by Step Solution
- Step 1: Write the proportion equation
4,884,163.40 : 6,740,559.53 = 2,709,407.26 : x - Step 2: Convert to fraction form
4,884,163.40/6,740,559.53 = 2,709,407.26/x - Step 3: Cross multiply
4,884,163.40x = 6,740,559.53 × 2,709,407.26 - Step 4: Simplify right side
4,884,163.40x = 18,262,920,927,044.19 - Step 5: Solve for x
x = 18,262,920,927,044.19/4,884,163.40 - Step 6: Final answer
x = 3,739,211.70
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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.