Finding the Fourth Proportional to 2,488,835.10, 3,434,346.87 and 1,386,229.53
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Solution
The fourth proportional to 2,488,835.10, 3,434,346.87 and 1,386,229.53 is: 1,912,859.98
Step by Step Solution
- Step 1: Write the proportion equation
2,488,835.10 : 3,434,346.87 = 1,386,229.53 : x - Step 2: Convert to fraction form
2,488,835.10/3,434,346.87 = 1,386,229.53/x - Step 3: Cross multiply
2,488,835.10x = 3,434,346.87 × 1,386,229.53 - Step 4: Simplify right side
2,488,835.10x = 4,760,793,047,457.07 - Step 5: Solve for x
x = 4,760,793,047,457.07/2,488,835.10 - Step 6: Final answer
x = 1,912,859.98
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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.