Finding the Fourth Proportional to 5,083,415.56, 7,014,860.88 and 2,877,935.41
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Solution
The fourth proportional to 5,083,415.56, 7,014,860.88 and 2,877,935.41 is: 3,971,407.86
Step by Step Solution
- Step 1: Write the proportion equation
5,083,415.56 : 7,014,860.88 = 2,877,935.41 : x - Step 2: Convert to fraction form
5,083,415.56/7,014,860.88 = 2,877,935.41/x - Step 3: Cross multiply
5,083,415.56x = 7,014,860.88 × 2,877,935.41 - Step 4: Simplify right side
5,083,415.56x = 20,188,316,487,701.45 - Step 5: Solve for x
x = 20,188,316,487,701.45/5,083,415.56 - Step 6: Final answer
x = 3,971,407.86
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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.