Finding the Fourth Proportional to 3,992,029.68, 5,987,957.85 and 1,113,319.65
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Solution
The fourth proportional to 3,992,029.68, 5,987,957.85 and 1,113,319.65 is: 1,669,955.30
Step by Step Solution
- Step 1: Write the proportion equation
3,992,029.68 : 5,987,957.85 = 1,113,319.65 : x - Step 2: Convert to fraction form
3,992,029.68/5,987,957.85 = 1,113,319.65/x - Step 3: Cross multiply
3,992,029.68x = 5,987,957.85 × 1,113,319.65 - Step 4: Simplify right side
3,992,029.68x = 6,666,511,137,776.75 - Step 5: Solve for x
x = 6,666,511,137,776.75/3,992,029.68 - Step 6: Final answer
x = 1,669,955.30
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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.