Finding the Fourth Proportional to 1,102,719.80, 1,651,892.70 and 971,208.20
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Solution
The fourth proportional to 1,102,719.80, 1,651,892.70 and 971,208.20 is: 1,454,886.12
Step by Step Solution
- Step 1: Write the proportion equation
1,102,719.80 : 1,651,892.70 = 971,208.20 : x - Step 2: Convert to fraction form
1,102,719.80/1,651,892.70 = 971,208.20/x - Step 3: Cross multiply
1,102,719.80x = 1,651,892.70 × 971,208.20 - Step 4: Simplify right side
1,102,719.80x = 1,604,331,735,760.14 - Step 5: Solve for x
x = 1,604,331,735,760.14/1,102,719.80 - Step 6: Final answer
x = 1,454,886.12
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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.