Finding the Fourth Proportional to 4,502,938.23, 6,748,748.48 and 3,216,851.01
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Solution
The fourth proportional to 4,502,938.23, 6,748,748.48 and 3,216,851.01 is: 4,821,233.88
Step by Step Solution
- Step 1: Write the proportion equation
4,502,938.23 : 6,748,748.48 = 3,216,851.01 : x - Step 2: Convert to fraction form
4,502,938.23/6,748,748.48 = 3,216,851.01/x - Step 3: Cross multiply
4,502,938.23x = 6,748,748.48 × 3,216,851.01 - Step 4: Simplify right side
4,502,938.23x = 21,709,718,372,166.09 - Step 5: Solve for x
x = 21,709,718,372,166.09/4,502,938.23 - Step 6: Final answer
x = 4,821,233.88
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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.