Finding the Fourth Proportional to 2,628,709.70, 3,944,101.35 and 1,031,000.90
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Solution
The fourth proportional to 2,628,709.70, 3,944,101.35 and 1,031,000.90 is: 1,546,907.99
Step by Step Solution
- Step 1: Write the proportion equation
2,628,709.70 : 3,944,101.35 = 1,031,000.90 : x - Step 2: Convert to fraction form
2,628,709.70/3,944,101.35 = 1,031,000.90/x - Step 3: Cross multiply
2,628,709.70x = 3,944,101.35 × 1,031,000.90 - Step 4: Simplify right side
2,628,709.70x = 4,066,372,041,541.22 - Step 5: Solve for x
x = 4,066,372,041,541.22/2,628,709.70 - Step 6: Final answer
x = 1,546,907.99
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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.