Finding the Fourth Proportional to 1,979,283.11, 2,969,372.35 and 1,068,446.03
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Solution
The fourth proportional to 1,979,283.11, 2,969,372.35 and 1,068,446.03 is: 1,602,910.71
Step by Step Solution
- Step 1: Write the proportion equation
1,979,283.11 : 2,969,372.35 = 1,068,446.03 : x - Step 2: Convert to fraction form
1,979,283.11/2,969,372.35 = 1,068,446.03/x - Step 3: Cross multiply
1,979,283.11x = 2,969,372.35 × 1,068,446.03 - Step 4: Simplify right side
1,979,283.11x = 3,172,614,103,701.59 - Step 5: Solve for x
x = 3,172,614,103,701.59/1,979,283.11 - Step 6: Final answer
x = 1,602,910.71
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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.