Finding the Fourth Proportional to 3,775,387.24, 5,210,154.66 and 2,056,562.92
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Solution
The fourth proportional to 3,775,387.24, 5,210,154.66 and 2,056,562.92 is: 2,838,122.34
Step by Step Solution
- Step 1: Write the proportion equation
3,775,387.24 : 5,210,154.66 = 2,056,562.92 : x - Step 2: Convert to fraction form
3,775,387.24/5,210,154.66 = 2,056,562.92/x - Step 3: Cross multiply
3,775,387.24x = 5,210,154.66 × 2,056,562.92 - Step 4: Simplify right side
3,775,387.24x = 10,715,010,881,221.21 - Step 5: Solve for x
x = 10,715,010,881,221.21/3,775,387.24 - Step 6: Final answer
x = 2,838,122.34
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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.