Finding the Fourth Proportional to 5,419,567.92, 8,129,355.36 and 1,376,358.96
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Solution
The fourth proportional to 5,419,567.92, 8,129,355.36 and 1,376,358.96 is: 2,064,539.32
Step by Step Solution
- Step 1: Write the proportion equation
5,419,567.92 : 8,129,355.36 = 1,376,358.96 : x - Step 2: Convert to fraction form
5,419,567.92/8,129,355.36 = 1,376,358.96/x - Step 3: Cross multiply
5,419,567.92x = 8,129,355.36 × 1,376,358.96 - Step 4: Simplify right side
5,419,567.92x = 11,188,911,088,760.03 - Step 5: Solve for x
x = 11,188,911,088,760.03/5,419,567.92 - Step 6: Final answer
x = 2,064,539.32
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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.