Finding the Fourth Proportional to 2,779,026.48, 3,836,874.96 and 2,137,798.08
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Solution
The fourth proportional to 2,779,026.48, 3,836,874.96 and 2,137,798.08 is: 2,951,560.19
Step by Step Solution
- Step 1: Write the proportion equation
2,779,026.48 : 3,836,874.96 = 2,137,798.08 : x - Step 2: Convert to fraction form
2,779,026.48/3,836,874.96 = 2,137,798.08/x - Step 3: Cross multiply
2,779,026.48x = 3,836,874.96 × 2,137,798.08 - Step 4: Simplify right side
2,779,026.48x = 8,202,463,922,688.08 - Step 5: Solve for x
x = 8,202,463,922,688.08/2,779,026.48 - Step 6: Final answer
x = 2,951,560.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.