Finding the Fourth Proportional to 1,476,781.79, 2,215,546.25 and 411,823.98
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Solution
The fourth proportional to 1,476,781.79, 2,215,546.25 and 411,823.98 is: 617,840.15
Step by Step Solution
- Step 1: Write the proportion equation
1,476,781.79 : 2,215,546.25 = 411,823.98 : x - Step 2: Convert to fraction form
1,476,781.79/2,215,546.25 = 411,823.98/x - Step 3: Cross multiply
1,476,781.79x = 2,215,546.25 × 411,823.98 - Step 4: Simplify right side
1,476,781.79x = 912,415,072,489.96 - Step 5: Solve for x
x = 912,415,072,489.96/1,476,781.79 - Step 6: Final answer
x = 617,840.15
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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.