Finding the Fourth Proportional to 1,523,136.79, 2,102,884.49 and 980,216.11
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Solution
The fourth proportional to 1,523,136.79, 2,102,884.49 and 980,216.11 is: 1,353,313.28
Step by Step Solution
- Step 1: Write the proportion equation
1,523,136.79 : 2,102,884.49 = 980,216.11 : x - Step 2: Convert to fraction form
1,523,136.79/2,102,884.49 = 980,216.11/x - Step 3: Cross multiply
1,523,136.79x = 2,102,884.49 × 980,216.11 - Step 4: Simplify right side
1,523,136.79x = 2,061,281,249,666.05 - Step 5: Solve for x
x = 2,061,281,249,666.05/1,523,136.79 - Step 6: Final answer
x = 1,353,313.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.