Finding the Fourth Proportional to 5,730,075.97, 7,907,338.11 and 3,151,756.06
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Solution
The fourth proportional to 5,730,075.97, 7,907,338.11 and 3,151,756.06 is: 4,349,331.66
Step by Step Solution
- Step 1: Write the proportion equation
5,730,075.97 : 7,907,338.11 = 3,151,756.06 : x - Step 2: Convert to fraction form
5,730,075.97/7,907,338.11 = 3,151,756.06/x - Step 3: Cross multiply
5,730,075.97x = 7,907,338.11 × 3,151,756.06 - Step 4: Simplify right side
5,730,075.97x = 24,922,000,806,661.45 - Step 5: Solve for x
x = 24,922,000,806,661.45/5,730,075.97 - Step 6: Final answer
x = 4,349,331.66
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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.