Finding the Fourth Proportional to 2,225,557.63, 3,071,203.57 and 1,232,169.70
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Solution
The fourth proportional to 2,225,557.63, 3,071,203.57 and 1,232,169.70 is: 1,700,357.67
Step by Step Solution
- Step 1: Write the proportion equation
2,225,557.63 : 3,071,203.57 = 1,232,169.70 : x - Step 2: Convert to fraction form
2,225,557.63/3,071,203.57 = 1,232,169.70/x - Step 3: Cross multiply
2,225,557.63x = 3,071,203.57 × 1,232,169.70 - Step 4: Simplify right side
2,225,557.63x = 3,784,243,983,542.11 - Step 5: Solve for x
x = 3,784,243,983,542.11/2,225,557.63 - Step 6: Final answer
x = 1,700,357.67
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1.5x scale
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.