Finding the Fourth Proportional to 6,613,491.65, 9,125,913.60 and 3,713,201.60
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Solution
The fourth proportional to 6,613,491.65, 9,125,913.60 and 3,713,201.60 is: 5,123,822.45
Step by Step Solution
- Step 1: Write the proportion equation
6,613,491.65 : 9,125,913.60 = 3,713,201.60 : x - Step 2: Convert to fraction form
6,613,491.65/9,125,913.60 = 3,713,201.60/x - Step 3: Cross multiply
6,613,491.65x = 9,125,913.60 × 3,713,201.60 - Step 4: Simplify right side
6,613,491.65x = 33,886,356,935,352.19 - Step 5: Solve for x
x = 33,886,356,935,352.19/6,613,491.65 - Step 6: Final answer
x = 5,123,822.45
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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.