Finding the Fourth Proportional to 1,493,710.25, 2,240,566.74 and 640,228.05
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Solution
The fourth proportional to 1,493,710.25, 2,240,566.74 and 640,228.05 is: 960,342.66
Step by Step Solution
- Step 1: Write the proportion equation
1,493,710.25 : 2,240,566.74 = 640,228.05 : x - Step 2: Convert to fraction form
1,493,710.25/2,240,566.74 = 640,228.05/x - Step 3: Cross multiply
1,493,710.25x = 2,240,566.74 × 640,228.05 - Step 4: Simplify right side
1,493,710.25x = 1,434,473,674,845.06 - Step 5: Solve for x
x = 1,434,473,674,845.06/1,493,710.25 - Step 6: Final answer
x = 960,342.66
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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.