Finding the Fourth Proportional to 4,989,358.68, 7,483,972.38 and 1,202,811.18
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Solution
The fourth proportional to 4,989,358.68, 7,483,972.38 and 1,202,811.18 is: 1,804,200.95
Step by Step Solution
- Step 1: Write the proportion equation
4,989,358.68 : 7,483,972.38 = 1,202,811.18 : x - Step 2: Convert to fraction form
4,989,358.68/7,483,972.38 = 1,202,811.18/x - Step 3: Cross multiply
4,989,358.68x = 7,483,972.38 × 1,202,811.18 - Step 4: Simplify right side
4,989,358.68x = 9,001,805,649,475.21 - Step 5: Solve for x
x = 9,001,805,649,475.21/4,989,358.68 - Step 6: Final answer
x = 1,804,200.95
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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.