Finding the Fourth Proportional to 1,343,885.71, 2,016,474.98 and 838,316.92
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Solution
The fourth proportional to 1,343,885.71, 2,016,474.98 and 838,316.92 is: 1,257,878.61
Step by Step Solution
- Step 1: Write the proportion equation
1,343,885.71 : 2,016,474.98 = 838,316.92 : x - Step 2: Convert to fraction form
1,343,885.71/2,016,474.98 = 838,316.92/x - Step 3: Cross multiply
1,343,885.71x = 2,016,474.98 × 838,316.92 - Step 4: Simplify right side
1,343,885.71x = 1,690,445,086,504.08 - Step 5: Solve for x
x = 1,690,445,086,504.08/1,343,885.71 - Step 6: Final answer
x = 1,257,878.61
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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.