Finding the Fourth Proportional to 4,380,989.68, 6,572,107.14 and 1,348,607.80
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Solution
The fourth proportional to 4,380,989.68, 6,572,107.14 and 1,348,607.80 is: 2,023,103.36
Step by Step Solution
- Step 1: Write the proportion equation
4,380,989.68 : 6,572,107.14 = 1,348,607.80 : x - Step 2: Convert to fraction form
4,380,989.68/6,572,107.14 = 1,348,607.80/x - Step 3: Cross multiply
4,380,989.68x = 6,572,107.14 × 1,348,607.80 - Step 4: Simplify right side
4,380,989.68x = 8,863,194,951,439.69 - Step 5: Solve for x
x = 8,863,194,951,439.69/4,380,989.68 - Step 6: Final answer
x = 2,023,103.36
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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.