Finding the Fourth Proportional to 5,120,177.84, 7,067,529.28 and 4,075,515.32
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Solution
The fourth proportional to 5,120,177.84, 7,067,529.28 and 4,075,515.32 is: 5,625,551.45
Step by Step Solution
- Step 1: Write the proportion equation
5,120,177.84 : 7,067,529.28 = 4,075,515.32 : x - Step 2: Convert to fraction form
5,120,177.84/7,067,529.28 = 4,075,515.32/x - Step 3: Cross multiply
5,120,177.84x = 7,067,529.28 × 4,075,515.32 - Step 4: Simplify right side
5,120,177.84x = 28,803,823,855,188.57 - Step 5: Solve for x
x = 28,803,823,855,188.57/5,120,177.84 - Step 6: Final answer
x = 5,625,551.45
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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.