Finding the Fourth Proportional to 2,163,258.02, 2,985,175.28 and 1,183,003.62
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Solution
The fourth proportional to 2,163,258.02, 2,985,175.28 and 1,183,003.62 is: 1,632,478.94
Step by Step Solution
- Step 1: Write the proportion equation
2,163,258.02 : 2,985,175.28 = 1,183,003.62 : x - Step 2: Convert to fraction form
2,163,258.02/2,985,175.28 = 1,183,003.62/x - Step 3: Cross multiply
2,163,258.02x = 2,985,175.28 × 1,183,003.62 - Step 4: Simplify right side
2,163,258.02x = 3,531,473,154,337.62 - Step 5: Solve for x
x = 3,531,473,154,337.62/2,163,258.02 - Step 6: Final answer
x = 1,632,478.94
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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.