Finding the Fourth Proportional to 5,134,252.24, 7,084,998.70 and 2,810,699.32
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Solution
The fourth proportional to 5,134,252.24, 7,084,998.70 and 2,810,699.32 is: 3,878,617.59
Step by Step Solution
- Step 1: Write the proportion equation
5,134,252.24 : 7,084,998.70 = 2,810,699.32 : x - Step 2: Convert to fraction form
5,134,252.24/7,084,998.70 = 2,810,699.32/x - Step 3: Cross multiply
5,134,252.24x = 7,084,998.70 × 2,810,699.32 - Step 4: Simplify right side
5,134,252.24x = 19,913,801,028,290.88 - Step 5: Solve for x
x = 19,913,801,028,290.88/5,134,252.24 - Step 6: Final answer
x = 3,878,617.59
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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.