Finding the Fourth Proportional to 1,311,512, 1,964,219.12 and 1,266,052.48
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Solution
The fourth proportional to 1,311,512, 1,964,219.12 and 1,266,052.48 is: 1,896,135.52
Step by Step Solution
- Step 1: Write the proportion equation
1,311,512 : 1,964,219.12 = 1,266,052.48 : x - Step 2: Convert to fraction form
1,311,512/1,964,219.12 = 1,266,052.48/x - Step 3: Cross multiply
1,311,512x = 1,964,219.12 × 1,266,052.48 - Step 4: Simplify right side
1,311,512x = 2,486,804,488,139.42 - Step 5: Solve for x
x = 2,486,804,488,139.42/1,311,512 - Step 6: Final answer
x = 1,896,135.52
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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.