Finding the Fourth Proportional to 2,875,385.20, 3,968,020.12 and 1,586,305.84
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Solution
The fourth proportional to 2,875,385.20, 3,968,020.12 and 1,586,305.84 is: 2,189,095.74
Step by Step Solution
- Step 1: Write the proportion equation
2,875,385.20 : 3,968,020.12 = 1,586,305.84 : x - Step 2: Convert to fraction form
2,875,385.20/3,968,020.12 = 1,586,305.84/x - Step 3: Cross multiply
2,875,385.20x = 3,968,020.12 × 1,586,305.84 - Step 4: Simplify right side
2,875,385.20x = 6,294,493,489,593.50 - Step 5: Solve for x
x = 6,294,493,489,593.50/2,875,385.20 - Step 6: Final answer
x = 2,189,095.74
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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.