Finding the Fourth Proportional to 3,742,282.12, 5,613,385.76 and 1,183,497.51
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Solution
The fourth proportional to 3,742,282.12, 5,613,385.76 and 1,183,497.51 is: 1,775,234.43
Step by Step Solution
- Step 1: Write the proportion equation
3,742,282.12 : 5,613,385.76 = 1,183,497.51 : x - Step 2: Convert to fraction form
3,742,282.12/5,613,385.76 = 1,183,497.51/x - Step 3: Cross multiply
3,742,282.12x = 5,613,385.76 × 1,183,497.51 - Step 4: Simplify right side
3,742,282.12x = 6,643,428,069,629.46 - Step 5: Solve for x
x = 6,643,428,069,629.46/3,742,282.12 - Step 6: Final answer
x = 1,775,234.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.