Finding the Fourth Proportional to 2,896,369.85, 3,996,977.60 and 1,607,207.16
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Solution
The fourth proportional to 2,896,369.85, 3,996,977.60 and 1,607,207.16 is: 2,217,938.79
Step by Step Solution
- Step 1: Write the proportion equation
2,896,369.85 : 3,996,977.60 = 1,607,207.16 : x - Step 2: Convert to fraction form
2,896,369.85/3,996,977.60 = 1,607,207.16/x - Step 3: Cross multiply
2,896,369.85x = 3,996,977.60 × 1,607,207.16 - Step 4: Simplify right side
2,896,369.85x = 6,423,971,036,086.30 - Step 5: Solve for x
x = 6,423,971,036,086.30/2,896,369.85 - Step 6: Final answer
x = 2,217,938.79
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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.