Finding the Fourth Proportional to 6,129,567.65, 8,458,803.29 and 3,552,743.09
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Solution
The fourth proportional to 6,129,567.65, 8,458,803.29 and 3,552,743.09 is: 4,902,785.42
Step by Step Solution
- Step 1: Write the proportion equation
6,129,567.65 : 8,458,803.29 = 3,552,743.09 : x - Step 2: Convert to fraction form
6,129,567.65/8,458,803.29 = 3,552,743.09/x - Step 3: Cross multiply
6,129,567.65x = 8,458,803.29 × 3,552,743.09 - Step 4: Simplify right side
6,129,567.65x = 30,051,954,878,159.04 - Step 5: Solve for x
x = 30,051,954,878,159.04/6,129,567.65 - Step 6: Final answer
x = 4,902,785.42
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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.