Finding the Fourth Proportional to 2,875,659.84, 3,968,630.64 and 1,586,748.96
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Solution
The fourth proportional to 2,875,659.84, 3,968,630.64 and 1,586,748.96 is: 2,189,834.99
Step by Step Solution
- Step 1: Write the proportion equation
2,875,659.84 : 3,968,630.64 = 1,586,748.96 : x - Step 2: Convert to fraction form
2,875,659.84/3,968,630.64 = 1,586,748.96/x - Step 3: Cross multiply
2,875,659.84x = 3,968,630.64 × 1,586,748.96 - Step 4: Simplify right side
2,875,659.84x = 6,297,220,540,644.14 - Step 5: Solve for x
x = 6,297,220,540,644.14/2,875,659.84 - Step 6: Final answer
x = 2,189,834.99
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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.