Finding the Fourth Proportional to 7,275,397.08, 10,913,938.02 and 2,418,137.40
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Solution
The fourth proportional to 7,275,397.08, 10,913,938.02 and 2,418,137.40 is: 3,627,486.09
Step by Step Solution
- Step 1: Write the proportion equation
7,275,397.08 : 10,913,938.02 = 2,418,137.40 : x - Step 2: Convert to fraction form
7,275,397.08/10,913,938.02 = 2,418,137.40/x - Step 3: Cross multiply
7,275,397.08x = 10,913,938.02 × 2,418,137.40 - Step 4: Simplify right side
7,275,397.08x = 26,391,401,707,443.95 - Step 5: Solve for x
x = 26,391,401,707,443.95/7,275,397.08 - Step 6: Final answer
x = 3,627,486.09
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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.