Finding the Fourth Proportional to 3,181,475.06, 4,390,398.68 and 1,731,145.52
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Solution
The fourth proportional to 3,181,475.06, 4,390,398.68 and 1,731,145.52 is: 2,388,960.73
Step by Step Solution
- Step 1: Write the proportion equation
3,181,475.06 : 4,390,398.68 = 1,731,145.52 : x - Step 2: Convert to fraction form
3,181,475.06/4,390,398.68 = 1,731,145.52/x - Step 3: Cross multiply
3,181,475.06x = 4,390,398.68 × 1,731,145.52 - Step 4: Simplify right side
3,181,475.06x = 7,600,418,975,288.19 - Step 5: Solve for x
x = 7,600,418,975,288.19/3,181,475.06 - Step 6: Final answer
x = 2,388,960.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.