Finding the Fourth Proportional to 2,115,396.73, 2,919,268.52 and 1,148,534.97
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Solution
The fourth proportional to 2,115,396.73, 2,919,268.52 and 1,148,534.97 is: 1,584,989.68
Step by Step Solution
- Step 1: Write the proportion equation
2,115,396.73 : 2,919,268.52 = 1,148,534.97 : x - Step 2: Convert to fraction form
2,115,396.73/2,919,268.52 = 1,148,534.97/x - Step 3: Cross multiply
2,115,396.73x = 2,919,268.52 × 1,148,534.97 - Step 4: Simplify right side
2,115,396.73x = 3,352,881,982,040.14 - Step 5: Solve for x
x = 3,352,881,982,040.14/2,115,396.73 - Step 6: Final answer
x = 1,584,989.68
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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.