Finding the Fourth Proportional to 2,126,236.80, 2,934,210.24 and 1,159,386.24
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Solution
The fourth proportional to 2,126,236.80, 2,934,210.24 and 1,159,386.24 is: 1,599,954.90
Step by Step Solution
- Step 1: Write the proportion equation
2,126,236.80 : 2,934,210.24 = 1,159,386.24 : x - Step 2: Convert to fraction form
2,126,236.80/2,934,210.24 = 1,159,386.24/x - Step 3: Cross multiply
2,126,236.80x = 2,934,210.24 × 1,159,386.24 - Step 4: Simplify right side
2,126,236.80x = 3,401,882,977,523.10 - Step 5: Solve for x
x = 3,401,882,977,523.10/2,126,236.80 - Step 6: Final answer
x = 1,599,954.90
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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.