Finding the Fourth Proportional to 6,129,574.14, 8,458,812.28 and 3,552,749.58
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Solution
The fourth proportional to 6,129,574.14, 8,458,812.28 and 3,552,749.58 is: 4,902,794.40
Step by Step Solution
- Step 1: Write the proportion equation
6,129,574.14 : 8,458,812.28 = 3,552,749.58 : x - Step 2: Convert to fraction form
6,129,574.14/8,458,812.28 = 3,552,749.58/x - Step 3: Cross multiply
6,129,574.14x = 8,458,812.28 × 3,552,749.58 - Step 4: Simplify right side
6,129,574.14x = 30,052,041,775,068.84 - Step 5: Solve for x
x = 30,052,041,775,068.84/6,129,574.14 - Step 6: Final answer
x = 4,902,794.40
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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.