Finding the Fourth Proportional to 4,722,785.12, 7,075,045.58 and 3,955,517.18
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Solution
The fourth proportional to 4,722,785.12, 7,075,045.58 and 3,955,517.18 is: 5,925,627.28
Step by Step Solution
- Step 1: Write the proportion equation
4,722,785.12 : 7,075,045.58 = 3,955,517.18 : x - Step 2: Convert to fraction form
4,722,785.12/7,075,045.58 = 3,955,517.18/x - Step 3: Cross multiply
4,722,785.12x = 7,075,045.58 × 3,955,517.18 - Step 4: Simplify right side
4,722,785.12x = 27,985,464,340,973.07 - Step 5: Solve for x
x = 27,985,464,340,973.07/4,722,785.12 - Step 6: Final answer
x = 5,925,627.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.