Finding the Fourth Proportional to 2,809,574.08, 3,877,240.90 and 1,520,444.50
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Solution
The fourth proportional to 2,809,574.08, 3,877,240.90 and 1,520,444.50 is: 2,098,228.92
Step by Step Solution
- Step 1: Write the proportion equation
2,809,574.08 : 3,877,240.90 = 1,520,444.50 : x - Step 2: Convert to fraction form
2,809,574.08/3,877,240.90 = 1,520,444.50/x - Step 3: Cross multiply
2,809,574.08x = 3,877,240.90 × 1,520,444.50 - Step 4: Simplify right side
2,809,574.08x = 5,895,129,601,580.05 - Step 5: Solve for x
x = 5,895,129,601,580.05/2,809,574.08 - Step 6: Final answer
x = 2,098,228.92
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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.