Finding the Fourth Proportional to 5,201,867.70, 7,802,801.55 and 4,572,011.70
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Solution
The fourth proportional to 5,201,867.70, 7,802,801.55 and 4,572,011.70 is: 6,858,017.55
Step by Step Solution
- Step 1: Write the proportion equation
5,201,867.70 : 7,802,801.55 = 4,572,011.70 : x - Step 2: Convert to fraction form
5,201,867.70/7,802,801.55 = 4,572,011.70/x - Step 3: Cross multiply
5,201,867.70x = 7,802,801.55 × 4,572,011.70 - Step 4: Simplify right side
5,201,867.70x = 35,674,499,979,378.13 - Step 5: Solve for x
x = 35,674,499,979,378.13/5,201,867.70 - Step 6: Final answer
x = 6,858,017.55
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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.