Finding the Fourth Proportional to 2,415,431.71, 3,331,905.87 and 1,447,999.93
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Solution
The fourth proportional to 2,415,431.71, 3,331,905.87 and 1,447,999.93 is: 1,997,406.69
Step by Step Solution
- Step 1: Write the proportion equation
2,415,431.71 : 3,331,905.87 = 1,447,999.93 : x - Step 2: Convert to fraction form
2,415,431.71/3,331,905.87 = 1,447,999.93/x - Step 3: Cross multiply
2,415,431.71x = 3,331,905.87 × 1,447,999.93 - Step 4: Simplify right side
2,415,431.71x = 4,824,599,466,526.59 - Step 5: Solve for x
x = 4,824,599,466,526.59/2,415,431.71 - Step 6: Final answer
x = 1,997,406.69
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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.