Finding the Fourth Proportional to 1,476,768.81, 2,215,526.85 and 411,810.99
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Solution
The fourth proportional to 1,476,768.81, 2,215,526.85 and 411,810.99 is: 617,820.67
Step by Step Solution
- Step 1: Write the proportion equation
1,476,768.81 : 2,215,526.85 = 411,810.99 : x - Step 2: Convert to fraction form
1,476,768.81/2,215,526.85 = 411,810.99/x - Step 3: Cross multiply
1,476,768.81x = 2,215,526.85 × 411,810.99 - Step 4: Simplify right side
1,476,768.81x = 912,378,297,161.86 - Step 5: Solve for x
x = 912,378,297,161.86/1,476,768.81 - Step 6: Final answer
x = 617,820.67
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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.