Finding the Fourth Proportional to 2,540,971.76, 3,513,438.32 and 2,499,903.54
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Solution
The fourth proportional to 2,540,971.76, 3,513,438.32 and 2,499,903.54 is: 3,456,652.70
Step by Step Solution
- Step 1: Write the proportion equation
2,540,971.76 : 3,513,438.32 = 2,499,903.54 : x - Step 2: Convert to fraction form
2,540,971.76/3,513,438.32 = 2,499,903.54/x - Step 3: Cross multiply
2,540,971.76x = 3,513,438.32 × 2,499,903.54 - Step 4: Simplify right side
2,540,971.76x = 8,783,256,881,240.14 - Step 5: Solve for x
x = 8,783,256,881,240.14/2,540,971.76 - Step 6: Final answer
x = 3,456,652.70
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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.