Finding the Fourth Proportional to 2,579,211.78, 3,559,398.58 and 1,433,340.42
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Solution
The fourth proportional to 2,579,211.78, 3,559,398.58 and 1,433,340.42 is: 1,978,057.75
Step by Step Solution
- Step 1: Write the proportion equation
2,579,211.78 : 3,559,398.58 = 1,433,340.42 : x - Step 2: Convert to fraction form
2,579,211.78/3,559,398.58 = 1,433,340.42/x - Step 3: Cross multiply
2,579,211.78x = 3,559,398.58 × 1,433,340.42 - Step 4: Simplify right side
2,579,211.78x = 5,101,829,855,604.60 - Step 5: Solve for x
x = 5,101,829,855,604.60/2,579,211.78 - Step 6: Final answer
x = 1,978,057.75
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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.