Finding the Fourth Proportional to 2,877,435.69, 3,970,861.47 and 1,588,276.41
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Solution
The fourth proportional to 2,877,435.69, 3,970,861.47 and 1,588,276.41 is: 2,191,821.57
Step by Step Solution
- Step 1: Write the proportion equation
2,877,435.69 : 3,970,861.47 = 1,588,276.41 : x - Step 2: Convert to fraction form
2,877,435.69/3,970,861.47 = 1,588,276.41/x - Step 3: Cross multiply
2,877,435.69x = 3,970,861.47 × 1,588,276.41 - Step 4: Simplify right side
2,877,435.69x = 6,306,825,600,178.92 - Step 5: Solve for x
x = 6,306,825,600,178.92/2,877,435.69 - Step 6: Final answer
x = 2,191,821.57
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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.