Finding the Fourth Proportional to 1,958,953.76, 2,703,318.58 and 1,087,743.18
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Solution
The fourth proportional to 1,958,953.76, 2,703,318.58 and 1,087,743.18 is: 1,501,064.70
Step by Step Solution
- Step 1: Write the proportion equation
1,958,953.76 : 2,703,318.58 = 1,087,743.18 : x - Step 2: Convert to fraction form
1,958,953.76/2,703,318.58 = 1,087,743.18/x - Step 3: Cross multiply
1,958,953.76x = 2,703,318.58 × 1,087,743.18 - Step 4: Simplify right side
1,958,953.76x = 2,940,516,341,993.96 - Step 5: Solve for x
x = 2,940,516,341,993.96/1,958,953.76 - Step 6: Final answer
x = 1,501,064.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.