Finding the Fourth Proportional to 2,251,347.66, 3,106,864.89 and 1,218,866.31
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Solution
The fourth proportional to 2,251,347.66, 3,106,864.89 and 1,218,866.31 is: 1,682,038.28
Step by Step Solution
- Step 1: Write the proportion equation
2,251,347.66 : 3,106,864.89 = 1,218,866.31 : x - Step 2: Convert to fraction form
2,251,347.66/3,106,864.89 = 1,218,866.31/x - Step 3: Cross multiply
2,251,347.66x = 3,106,864.89 × 1,218,866.31 - Step 4: Simplify right side
2,251,347.66x = 3,786,852,944,142.86 - Step 5: Solve for x
x = 3,786,852,944,142.86/2,251,347.66 - Step 6: Final answer
x = 1,682,038.28
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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.