Finding the Fourth Proportional to 5,648,460.99, 7,794,712.34 and 3,201,298.20
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Solution
The fourth proportional to 5,648,460.99, 7,794,712.34 and 3,201,298.20 is: 4,417,698.66
Step by Step Solution
- Step 1: Write the proportion equation
5,648,460.99 : 7,794,712.34 = 3,201,298.20 : x - Step 2: Convert to fraction form
5,648,460.99/7,794,712.34 = 3,201,298.20/x - Step 3: Cross multiply
5,648,460.99x = 7,794,712.34 × 3,201,298.20 - Step 4: Simplify right side
5,648,460.99x = 24,953,198,567,553.30 - Step 5: Solve for x
x = 24,953,198,567,553.30/5,648,460.99 - Step 6: Final answer
x = 4,417,698.66
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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.