Finding the Fourth Proportional to 4,734,162.40, 7,104,742.80 and 3,136,194.40
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Solution
The fourth proportional to 4,734,162.40, 7,104,742.80 and 3,136,194.40 is: 4,706,609.68
Step by Step Solution
- Step 1: Write the proportion equation
4,734,162.40 : 7,104,742.80 = 3,136,194.40 : x - Step 2: Convert to fraction form
4,734,162.40/7,104,742.80 = 3,136,194.40/x - Step 3: Cross multiply
4,734,162.40x = 7,104,742.80 × 3,136,194.40 - Step 4: Simplify right side
4,734,162.40x = 22,281,854,582,800.32 - Step 5: Solve for x
x = 22,281,854,582,800.32/4,734,162.40 - Step 6: Final answer
x = 4,706,609.68
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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.