Finding the Fourth Proportional to 1,469,615.18, 2,028,290.29 and 896,988.11
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Solution
The fourth proportional to 1,469,615.18, 2,028,290.29 and 896,988.11 is: 1,237,978.68
Step by Step Solution
- Step 1: Write the proportion equation
1,469,615.18 : 2,028,290.29 = 896,988.11 : x - Step 2: Convert to fraction form
1,469,615.18/2,028,290.29 = 896,988.11/x - Step 3: Cross multiply
1,469,615.18x = 2,028,290.29 × 896,988.11 - Step 4: Simplify right side
1,469,615.18x = 1,819,352,261,374.53 - Step 5: Solve for x
x = 1,819,352,261,374.53/1,469,615.18 - Step 6: Final answer
x = 1,237,978.68
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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.