Finding the Fourth Proportional to 2,971,716.88, 4,101,165.24 and 1,665,073.68
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Solution
The fourth proportional to 2,971,716.88, 4,101,165.24 and 1,665,073.68 is: 2,297,911.47
Step by Step Solution
- Step 1: Write the proportion equation
2,971,716.88 : 4,101,165.24 = 1,665,073.68 : x - Step 2: Convert to fraction form
2,971,716.88/4,101,165.24 = 1,665,073.68/x - Step 3: Cross multiply
2,971,716.88x = 4,101,165.24 × 1,665,073.68 - Step 4: Simplify right side
2,971,716.88x = 6,828,742,298,454.88 - Step 5: Solve for x
x = 6,828,742,298,454.88/2,971,716.88 - Step 6: Final answer
x = 2,297,911.47
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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.