Finding the Fourth Proportional to 4,159,029.12, 6,238,765.44 and 1,319,368.32
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Solution
The fourth proportional to 4,159,029.12, 6,238,765.44 and 1,319,368.32 is: 1,979,122.83
Step by Step Solution
- Step 1: Write the proportion equation
4,159,029.12 : 6,238,765.44 = 1,319,368.32 : x - Step 2: Convert to fraction form
4,159,029.12/6,238,765.44 = 1,319,368.32/x - Step 3: Cross multiply
4,159,029.12x = 6,238,765.44 × 1,319,368.32 - Step 4: Simplify right side
4,159,029.12x = 8,231,229,477,446.86 - Step 5: Solve for x
x = 8,231,229,477,446.86/4,159,029.12 - Step 6: Final answer
x = 1,979,122.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.