Finding the Fourth Proportional to 1,673,715.84, 2,309,715.99 and 948,557.40
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Solution
The fourth proportional to 1,673,715.84, 2,309,715.99 and 948,557.40 is: 1,309,002.49
Step by Step Solution
- Step 1: Write the proportion equation
1,673,715.84 : 2,309,715.99 = 948,557.40 : x - Step 2: Convert to fraction form
1,673,715.84/2,309,715.99 = 948,557.40/x - Step 3: Cross multiply
1,673,715.84x = 2,309,715.99 × 948,557.40 - Step 4: Simplify right side
1,673,715.84x = 2,190,898,194,212.83 - Step 5: Solve for x
x = 2,190,898,194,212.83/1,673,715.84 - Step 6: Final answer
x = 1,309,002.49
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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.