Finding the Fourth Proportional to 1,909,689.41, 2,634,908.81 and 1,211,716.26
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Solution
The fourth proportional to 1,909,689.41, 2,634,908.81 and 1,211,716.26 is: 1,671,874.93
Step by Step Solution
- Step 1: Write the proportion equation
1,909,689.41 : 2,634,908.81 = 1,211,716.26 : x - Step 2: Convert to fraction form
1,909,689.41/2,634,908.81 = 1,211,716.26/x - Step 3: Cross multiply
1,909,689.41x = 2,634,908.81 × 1,211,716.26 - Step 4: Simplify right side
1,909,689.41x = 3,192,761,842,635.67 - Step 5: Solve for x
x = 3,192,761,842,635.67/1,909,689.41 - Step 6: Final answer
x = 1,671,874.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.