Finding the Fourth Proportional to 5,663,448.92, 7,815,610.95 and 3,428,277.81
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Solution
The fourth proportional to 5,663,448.92, 7,815,610.95 and 3,428,277.81 is: 4,731,054.52
Step by Step Solution
- Step 1: Write the proportion equation
5,663,448.92 : 7,815,610.95 = 3,428,277.81 : x - Step 2: Convert to fraction form
5,663,448.92/7,815,610.95 = 3,428,277.81/x - Step 3: Cross multiply
5,663,448.92x = 7,815,610.95 × 3,428,277.81 - Step 4: Simplify right side
5,663,448.92x = 26,794,085,602,846.56 - Step 5: Solve for x
x = 26,794,085,602,846.56/5,663,448.92 - Step 6: Final answer
x = 4,731,054.52
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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.