Finding the Fourth Proportional to 2,146,840.19, 3,219,762.06 and 630,115.88
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Solution
The fourth proportional to 2,146,840.19, 3,219,762.06 and 630,115.88 is: 945,027.58
Step by Step Solution
- Step 1: Write the proportion equation
2,146,840.19 : 3,219,762.06 = 630,115.88 : x - Step 2: Convert to fraction form
2,146,840.19/3,219,762.06 = 630,115.88/x - Step 3: Cross multiply
2,146,840.19x = 3,219,762.06 × 630,115.88 - Step 4: Simplify right side
2,146,840.19x = 2,028,823,191,418.91 - Step 5: Solve for x
x = 2,028,823,191,418.91/2,146,840.19 - Step 6: Final answer
x = 945,027.58
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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.