Finding the Fourth Proportional to 1,696,851.68, 2,340,992.73 and 971,311.66
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Solution
The fourth proportional to 1,696,851.68, 2,340,992.73 and 971,311.66 is: 1,340,030.81
Step by Step Solution
- Step 1: Write the proportion equation
1,696,851.68 : 2,340,992.73 = 971,311.66 : x - Step 2: Convert to fraction form
1,696,851.68/2,340,992.73 = 971,311.66/x - Step 3: Cross multiply
1,696,851.68x = 2,340,992.73 × 971,311.66 - Step 4: Simplify right side
1,696,851.68x = 2,273,833,534,624.23 - Step 5: Solve for x
x = 2,273,833,534,624.23/1,696,851.68 - Step 6: Final answer
x = 1,340,030.81
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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.