Finding the Fourth Proportional to 1,696,658.74, 2,539,449.38 and 1,247,260.66
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Solution
The fourth proportional to 1,696,658.74, 2,539,449.38 and 1,247,260.66 is: 1,866,819.32
Step by Step Solution
- Step 1: Write the proportion equation
1,696,658.74 : 2,539,449.38 = 1,247,260.66 : x - Step 2: Convert to fraction form
1,696,658.74/2,539,449.38 = 1,247,260.66/x - Step 3: Cross multiply
1,696,658.74x = 2,539,449.38 × 1,247,260.66 - Step 4: Simplify right side
1,696,658.74x = 3,167,355,309,735.39 - Step 5: Solve for x
x = 3,167,355,309,735.39/1,696,658.74 - Step 6: Final answer
x = 1,866,819.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.