Finding the Fourth Proportional to 4,459,380.08, 6,688,614.44 and 1,221,205.68
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Solution
The fourth proportional to 4,459,380.08, 6,688,614.44 and 1,221,205.68 is: 1,831,683.73
Step by Step Solution
- Step 1: Write the proportion equation
4,459,380.08 : 6,688,614.44 = 1,221,205.68 : x - Step 2: Convert to fraction form
4,459,380.08/6,688,614.44 = 1,221,205.68/x - Step 3: Cross multiply
4,459,380.08x = 6,688,614.44 × 1,221,205.68 - Step 4: Simplify right side
4,459,380.08x = 8,168,173,945,458.02 - Step 5: Solve for x
x = 8,168,173,945,458.02/4,459,380.08 - Step 6: Final answer
x = 1,831,683.73
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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.