Finding the Fourth Proportional to 3,655,678.42, 5,043,247.98 and 2,204,567.47
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Solution
The fourth proportional to 3,655,678.42, 5,043,247.98 and 2,204,567.47 is: 3,041,345.32
Step by Step Solution
- Step 1: Write the proportion equation
3,655,678.42 : 5,043,247.98 = 2,204,567.47 : x - Step 2: Convert to fraction form
3,655,678.42/5,043,247.98 = 2,204,567.47/x - Step 3: Cross multiply
3,655,678.42x = 5,043,247.98 × 2,204,567.47 - Step 4: Simplify right side
3,655,678.42x = 11,118,180,439,851.21 - Step 5: Solve for x
x = 11,118,180,439,851.21/3,655,678.42 - Step 6: Final answer
x = 3,041,345.32
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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.