Finding the Fourth Proportional to 5,134,228.88, 7,084,966.42 and 2,810,675.94
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Solution
The fourth proportional to 5,134,228.88, 7,084,966.42 and 2,810,675.94 is: 3,878,585.30
Step by Step Solution
- Step 1: Write the proportion equation
5,134,228.88 : 7,084,966.42 = 2,810,675.94 : x - Step 2: Convert to fraction form
5,134,228.88/7,084,966.42 = 2,810,675.94/x - Step 3: Cross multiply
5,134,228.88x = 7,084,966.42 × 2,810,675.94 - Step 4: Simplify right side
5,134,228.88x = 19,913,544,629,346.65 - Step 5: Solve for x
x = 19,913,544,629,346.65/5,134,228.88 - Step 6: Final answer
x = 3,878,585.30
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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.