Finding the Fourth Proportional to 2,792,232.96, 4,187,850.86 and 742,905.28
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Solution
The fourth proportional to 2,792,232.96, 4,187,850.86 and 742,905.28 is: 1,114,225.27
Step by Step Solution
- Step 1: Write the proportion equation
2,792,232.96 : 4,187,850.86 = 742,905.28 : x - Step 2: Convert to fraction form
2,792,232.96/4,187,850.86 = 742,905.28/x - Step 3: Cross multiply
2,792,232.96x = 4,187,850.86 × 742,905.28 - Step 4: Simplify right side
2,792,232.96x = 3,111,176,515,746.54 - Step 5: Solve for x
x = 3,111,176,515,746.54/2,792,232.96 - Step 6: Final answer
x = 1,114,225.27
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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.