Finding the Fourth Proportional to 2,239,800.48, 3,090,847.68 and 1,272,913.92
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Solution
The fourth proportional to 2,239,800.48, 3,090,847.68 and 1,272,913.92 is: 1,756,577.46
Step by Step Solution
- Step 1: Write the proportion equation
2,239,800.48 : 3,090,847.68 = 1,272,913.92 : x - Step 2: Convert to fraction form
2,239,800.48/3,090,847.68 = 1,272,913.92/x - Step 3: Cross multiply
2,239,800.48x = 3,090,847.68 × 1,272,913.92 - Step 4: Simplify right side
2,239,800.48x = 3,934,383,036,471.71 - Step 5: Solve for x
x = 3,934,383,036,471.71/2,239,800.48 - Step 6: Final answer
x = 1,756,577.46
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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.