Finding the Fourth Proportional to 4,277,371.91, 6,392,574.48 and 3,127,040.13
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Solution
The fourth proportional to 4,277,371.91, 6,392,574.48 and 3,127,040.13 is: 4,673,392.30
Step by Step Solution
- Step 1: Write the proportion equation
4,277,371.91 : 6,392,574.48 = 3,127,040.13 : x - Step 2: Convert to fraction form
4,277,371.91/6,392,574.48 = 3,127,040.13/x - Step 3: Cross multiply
4,277,371.91x = 6,392,574.48 × 3,127,040.13 - Step 4: Simplify right side
4,277,371.91x = 19,989,836,932,973.88 - Step 5: Solve for x
x = 19,989,836,932,973.88/4,277,371.91 - Step 6: Final answer
x = 4,673,392.30
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.