Finding the Fourth Proportional to 1,476,926.73, 2,215,407.74 and 411,903.99
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Solution
The fourth proportional to 1,476,926.73, 2,215,407.74 and 411,903.99 is: 617,860.90
Step by Step Solution
- Step 1: Write the proportion equation
1,476,926.73 : 2,215,407.74 = 411,903.99 : x - Step 2: Convert to fraction form
1,476,926.73/2,215,407.74 = 411,903.99/x - Step 3: Cross multiply
1,476,926.73x = 2,215,407.74 × 411,903.99 - Step 4: Simplify right side
1,476,926.73x = 912,535,285,523.36 - Step 5: Solve for x
x = 912,535,285,523.36/1,476,926.73 - Step 6: Final answer
x = 617,860.90
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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.