Finding the Fourth Proportional to 1,458,423.92, 2,187,854.64 and 511,627.84
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Solution
The fourth proportional to 1,458,423.92, 2,187,854.64 and 511,627.84 is: 767,518.50
Step by Step Solution
- Step 1: Write the proportion equation
1,458,423.92 : 2,187,854.64 = 511,627.84 : x - Step 2: Convert to fraction form
1,458,423.92/2,187,854.64 = 511,627.84/x - Step 3: Cross multiply
1,458,423.92x = 2,187,854.64 × 511,627.84 - Step 4: Simplify right side
1,458,423.92x = 1,119,367,343,697.18 - Step 5: Solve for x
x = 1,119,367,343,697.18/1,458,423.92 - Step 6: Final answer
x = 767,518.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.