Finding the Fourth Proportional to 5,146,769.84, 7,720,220.48 and 1,360,220
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Solution
The fourth proportional to 5,146,769.84, 7,720,220.48 and 1,360,220 is: 2,040,347.37
Step by Step Solution
- Step 1: Write the proportion equation
5,146,769.84 : 7,720,220.48 = 1,360,220 : x - Step 2: Convert to fraction form
5,146,769.84/7,720,220.48 = 1,360,220/x - Step 3: Cross multiply
5,146,769.84x = 7,720,220.48 × 1,360,220 - Step 4: Simplify right side
5,146,769.84x = 10,501,198,301,305.60 - Step 5: Solve for x
x = 10,501,198,301,305.60/5,146,769.84 - Step 6: Final answer
x = 2,040,347.37
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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.