Finding the Fourth Proportional to 4,792,303.31, 7,187,145.66 and 1,717,721.07
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Solution
The fourth proportional to 4,792,303.31, 7,187,145.66 and 1,717,721.07 is: 2,576,112.31
Step by Step Solution
- Step 1: Write the proportion equation
4,792,303.31 : 7,187,145.66 = 1,717,721.07 : x - Step 2: Convert to fraction form
4,792,303.31/7,187,145.66 = 1,717,721.07/x - Step 3: Cross multiply
4,792,303.31x = 7,187,145.66 × 1,717,721.07 - Step 4: Simplify right side
4,792,303.31x = 12,345,511,533,341.06 - Step 5: Solve for x
x = 12,345,511,533,341.06/4,792,303.31 - Step 6: Final answer
x = 2,576,112.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.