Finding the Fourth Proportional to 2,875,664.94, 3,968,390.25 and 1,586,515.74
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Solution
The fourth proportional to 2,875,664.94, 3,968,390.25 and 1,586,515.74 is: 2,189,376.62
Step by Step Solution
- Step 1: Write the proportion equation
2,875,664.94 : 3,968,390.25 = 1,586,515.74 : x - Step 2: Convert to fraction form
2,875,664.94/3,968,390.25 = 1,586,515.74/x - Step 3: Cross multiply
2,875,664.94x = 3,968,390.25 × 1,586,515.74 - Step 4: Simplify right side
2,875,664.94x = 6,295,913,594,087.54 - Step 5: Solve for x
x = 6,295,913,594,087.54/2,875,664.94 - Step 6: Final answer
x = 2,189,376.62
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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.