Finding the Fourth Proportional to 4,985,568.36, 7,478,350.11 and 1,199,050.02
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Solution
The fourth proportional to 4,985,568.36, 7,478,350.11 and 1,199,050.02 is: 1,798,574.45
Step by Step Solution
- Step 1: Write the proportion equation
4,985,568.36 : 7,478,350.11 = 1,199,050.02 : x - Step 2: Convert to fraction form
4,985,568.36/7,478,350.11 = 1,199,050.02/x - Step 3: Cross multiply
4,985,568.36x = 7,478,350.11 × 1,199,050.02 - Step 4: Simplify right side
4,985,568.36x = 8,966,915,848,962.50 - Step 5: Solve for x
x = 8,966,915,848,962.50/4,985,568.36 - Step 6: Final answer
x = 1,798,574.45
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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.