Finding the Fourth Proportional to 4,091,891.36, 6,138,083.05 and 1,252,028.12
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Solution
The fourth proportional to 4,091,891.36, 6,138,083.05 and 1,252,028.12 is: 1,878,117.45
Step by Step Solution
- Step 1: Write the proportion equation
4,091,891.36 : 6,138,083.05 = 1,252,028.12 : x - Step 2: Convert to fraction form
4,091,891.36/6,138,083.05 = 1,252,028.12/x - Step 3: Cross multiply
4,091,891.36x = 6,138,083.05 × 1,252,028.12 - Step 4: Simplify right side
4,091,891.36x = 7,685,052,547,674.88 - Step 5: Solve for x
x = 7,685,052,547,674.88/4,091,891.36 - Step 6: Final answer
x = 1,878,117.45
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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.