Finding the Fourth Proportional to 1,316,371.42, 1,974,165.87 and 558,201.70
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Solution
The fourth proportional to 1,316,371.42, 1,974,165.87 and 558,201.70 is: 837,136.64
Step by Step Solution
- Step 1: Write the proportion equation
1,316,371.42 : 1,974,165.87 = 558,201.70 : x - Step 2: Convert to fraction form
1,316,371.42/1,974,165.87 = 558,201.70/x - Step 3: Cross multiply
1,316,371.42x = 1,974,165.87 × 558,201.70 - Step 4: Simplify right side
1,316,371.42x = 1,101,982,744,715.98 - Step 5: Solve for x
x = 1,101,982,744,715.98/1,316,371.42 - Step 6: Final answer
x = 837,136.64
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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.