Finding the Fourth Proportional to 2,251,058.72, 3,106,756.68 and 1,283,966.96
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Solution
The fourth proportional to 2,251,058.72, 3,106,756.68 and 1,283,966.96 is: 1,772,043.04
Step by Step Solution
- Step 1: Write the proportion equation
2,251,058.72 : 3,106,756.68 = 1,283,966.96 : x - Step 2: Convert to fraction form
2,251,058.72/3,106,756.68 = 1,283,966.96/x - Step 3: Cross multiply
2,251,058.72x = 3,106,756.68 × 1,283,966.96 - Step 4: Simplify right side
2,251,058.72x = 3,988,972,929,879.29 - Step 5: Solve for x
x = 3,988,972,929,879.29/2,251,058.72 - Step 6: Final answer
x = 1,772,043.04
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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.