Finding the Fourth Proportional to 2,769,621, 4,156,247.99 and 972,458.20
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Solution
The fourth proportional to 2,769,621, 4,156,247.99 and 972,458.20 is: 1,459,325.10
Step by Step Solution
- Step 1: Write the proportion equation
2,769,621 : 4,156,247.99 = 972,458.20 : x - Step 2: Convert to fraction form
2,769,621/4,156,247.99 = 972,458.20/x - Step 3: Cross multiply
2,769,621x = 4,156,247.99 × 972,458.20 - Step 4: Simplify right side
2,769,621x = 4,041,777,439,109.02 - Step 5: Solve for x
x = 4,041,777,439,109.02/2,769,621 - Step 6: Final answer
x = 1,459,325.10
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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.