Finding the Fourth Proportional to 5,238,586.98, 7,223,064.84 and 3,585,530.40
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Solution
The fourth proportional to 5,238,586.98, 7,223,064.84 and 3,585,530.40 is: 4,943,798.52
Step by Step Solution
- Step 1: Write the proportion equation
5,238,586.98 : 7,223,064.84 = 3,585,530.40 : x - Step 2: Convert to fraction form
5,238,586.98/7,223,064.84 = 3,585,530.40/x - Step 3: Cross multiply
5,238,586.98x = 7,223,064.84 × 3,585,530.40 - Step 4: Simplify right side
5,238,586.98x = 25,898,518,564,991.14 - Step 5: Solve for x
x = 25,898,518,564,991.14/5,238,586.98 - Step 6: Final answer
x = 4,943,798.52
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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.