Finding the Fourth Proportional to 2,864,960.97, 3,953,648.16 and 1,575,899.43
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Solution
The fourth proportional to 2,864,960.97, 3,953,648.16 and 1,575,899.43 is: 2,174,742.33
Step by Step Solution
- Step 1: Write the proportion equation
2,864,960.97 : 3,953,648.16 = 1,575,899.43 : x - Step 2: Convert to fraction form
2,864,960.97/3,953,648.16 = 1,575,899.43/x - Step 3: Cross multiply
2,864,960.97x = 3,953,648.16 × 1,575,899.43 - Step 4: Simplify right side
2,864,960.97x = 6,230,551,881,764.55 - Step 5: Solve for x
x = 6,230,551,881,764.55/2,864,960.97 - Step 6: Final answer
x = 2,174,742.33
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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.