Finding the Fourth Proportional to 5,132,283.36, 7,081,762.06 and 2,956,401.52
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Solution
The fourth proportional to 5,132,283.36, 7,081,762.06 and 2,956,401.52 is: 4,079,379.62
Step by Step Solution
- Step 1: Write the proportion equation
5,132,283.36 : 7,081,762.06 = 2,956,401.52 : x - Step 2: Convert to fraction form
5,132,283.36/7,081,762.06 = 2,956,401.52/x - Step 3: Cross multiply
5,132,283.36x = 7,081,762.06 × 2,956,401.52 - Step 4: Simplify right side
5,132,283.36x = 20,936,532,118,462.33 - Step 5: Solve for x
x = 20,936,532,118,462.33/5,132,283.36 - Step 6: Final answer
x = 4,079,379.62
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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.