Finding the Fourth Proportional to 2,636,842.38, 3,638,919.26 and 1,490,898.12
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Solution
The fourth proportional to 2,636,842.38, 3,638,919.26 and 1,490,898.12 is: 2,057,482.82
Step by Step Solution
- Step 1: Write the proportion equation
2,636,842.38 : 3,638,919.26 = 1,490,898.12 : x - Step 2: Convert to fraction form
2,636,842.38/3,638,919.26 = 1,490,898.12/x - Step 3: Cross multiply
2,636,842.38x = 3,638,919.26 × 1,490,898.12 - Step 4: Simplify right side
2,636,842.38x = 5,425,257,883,565.79 - Step 5: Solve for x
x = 5,425,257,883,565.79/2,636,842.38 - Step 6: Final answer
x = 2,057,482.82
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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.