Finding the Fourth Proportional to 5,355,961.59, 8,031,410.12 and 2,074,852.91
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Solution
The fourth proportional to 5,355,961.59, 8,031,410.12 and 2,074,852.91 is: 3,111,298.38
Step by Step Solution
- Step 1: Write the proportion equation
5,355,961.59 : 8,031,410.12 = 2,074,852.91 : x - Step 2: Convert to fraction form
5,355,961.59/8,031,410.12 = 2,074,852.91/x - Step 3: Cross multiply
5,355,961.59x = 8,031,410.12 × 2,074,852.91 - Step 4: Simplify right side
5,355,961.59x = 16,663,994,608,354.13 - Step 5: Solve for x
x = 16,663,994,608,354.13/5,355,961.59 - Step 6: Final answer
x = 3,111,298.38
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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.