Finding the Fourth Proportional to 1,612,207.18, 2,414,634.45 and 771,353.74
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Solution
The fourth proportional to 1,612,207.18, 2,414,634.45 and 771,353.74 is: 1,155,271.69
Step by Step Solution
- Step 1: Write the proportion equation
1,612,207.18 : 2,414,634.45 = 771,353.74 : x - Step 2: Convert to fraction form
1,612,207.18/2,414,634.45 = 771,353.74/x - Step 3: Cross multiply
1,612,207.18x = 2,414,634.45 × 771,353.74 - Step 4: Simplify right side
1,612,207.18x = 1,862,537,313,740.34 - Step 5: Solve for x
x = 1,862,537,313,740.34/1,612,207.18 - Step 6: Final answer
x = 1,155,271.69
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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.