Finding the Fourth Proportional to 4,984,716.12, 7,477,134.12 and 1,390,264.17
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Solution
The fourth proportional to 4,984,716.12, 7,477,134.12 and 1,390,264.17 is: 2,085,412.97
Step by Step Solution
- Step 1: Write the proportion equation
4,984,716.12 : 7,477,134.12 = 1,390,264.17 : x - Step 2: Convert to fraction form
4,984,716.12/7,477,134.12 = 1,390,264.17/x - Step 3: Cross multiply
4,984,716.12x = 7,477,134.12 × 1,390,264.17 - Step 4: Simplify right side
4,984,716.12x = 10,395,191,661,320.48 - Step 5: Solve for x
x = 10,395,191,661,320.48/4,984,716.12 - Step 6: Final answer
x = 2,085,412.97
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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.