Finding the Fourth Proportional to 1,363,810.86, 1,882,865.34 and 1,212,489
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Solution
The fourth proportional to 1,363,810.86, 1,882,865.34 and 1,212,489 is: 1,673,951.70
Step by Step Solution
- Step 1: Write the proportion equation
1,363,810.86 : 1,882,865.34 = 1,212,489 : x - Step 2: Convert to fraction form
1,363,810.86/1,882,865.34 = 1,212,489/x - Step 3: Cross multiply
1,363,810.86x = 1,882,865.34 × 1,212,489 - Step 4: Simplify right side
1,363,810.86x = 2,282,953,513,231.26 - Step 5: Solve for x
x = 2,282,953,513,231.26/1,363,810.86 - Step 6: Final answer
x = 1,673,951.70
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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.