Finding the Fourth Proportional to 4,868,809.70, 7,303,214.55 and 2,173,129.70
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Solution
The fourth proportional to 4,868,809.70, 7,303,214.55 and 2,173,129.70 is: 3,259,694.55
Step by Step Solution
- Step 1: Write the proportion equation
4,868,809.70 : 7,303,214.55 = 2,173,129.70 : x - Step 2: Convert to fraction form
4,868,809.70/7,303,214.55 = 2,173,129.70/x - Step 3: Cross multiply
4,868,809.70x = 7,303,214.55 × 2,173,129.70 - Step 4: Simplify right side
4,868,809.70x = 15,870,832,444,077.14 - Step 5: Solve for x
x = 15,870,832,444,077.14/4,868,809.70 - Step 6: Final answer
x = 3,259,694.55
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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.