Finding the Fourth Proportional to 5,133,798.87, 7,084,725.98 and 2,810,652.18
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Solution
The fourth proportional to 5,133,798.87, 7,084,725.98 and 2,810,652.18 is: 3,878,745.74
Step by Step Solution
- Step 1: Write the proportion equation
5,133,798.87 : 7,084,725.98 = 2,810,652.18 : x - Step 2: Convert to fraction form
5,133,798.87/7,084,725.98 = 2,810,652.18/x - Step 3: Cross multiply
5,133,798.87x = 7,084,725.98 × 2,810,652.18 - Step 4: Simplify right side
5,133,798.87x = 19,912,700,520,389.64 - Step 5: Solve for x
x = 19,912,700,520,389.64/5,133,798.87 - Step 6: Final answer
x = 3,878,745.74
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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.