Finding the Fourth Proportional to 5,210,482.16, 7,190,694.54 and 2,887,368.12
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Solution
The fourth proportional to 5,210,482.16, 7,190,694.54 and 2,887,368.12 is: 3,984,694.99
Step by Step Solution
- Step 1: Write the proportion equation
5,210,482.16 : 7,190,694.54 = 2,887,368.12 : x - Step 2: Convert to fraction form
5,210,482.16/7,190,694.54 = 2,887,368.12/x - Step 3: Cross multiply
5,210,482.16x = 7,190,694.54 × 2,887,368.12 - Step 4: Simplify right side
5,210,482.16x = 20,762,182,175,454.07 - Step 5: Solve for x
x = 20,762,182,175,454.07/5,210,482.16 - Step 6: Final answer
x = 3,984,694.99
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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.