Finding the Fourth Proportional to 2,666,326.65, 4,000,073.18 and 1,319,134.65
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Solution
The fourth proportional to 2,666,326.65, 4,000,073.18 and 1,319,134.65 is: 1,978,990.51
Step by Step Solution
- Step 1: Write the proportion equation
2,666,326.65 : 4,000,073.18 = 1,319,134.65 : x - Step 2: Convert to fraction form
2,666,326.65/4,000,073.18 = 1,319,134.65/x - Step 3: Cross multiply
2,666,326.65x = 4,000,073.18 × 1,319,134.65 - Step 4: Simplify right side
2,666,326.65x = 5,276,635,127,678.01 - Step 5: Solve for x
x = 5,276,635,127,678.01/2,666,326.65 - Step 6: Final answer
x = 1,978,990.51
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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.