Finding the Fourth Proportional to 2,041,555.62, 2,817,017.29 and 1,170,230.21
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Solution
The fourth proportional to 2,041,555.62, 2,817,017.29 and 1,170,230.21 is: 1,614,728.84
Step by Step Solution
- Step 1: Write the proportion equation
2,041,555.62 : 2,817,017.29 = 1,170,230.21 : x - Step 2: Convert to fraction form
2,041,555.62/2,817,017.29 = 1,170,230.21/x - Step 3: Cross multiply
2,041,555.62x = 2,817,017.29 × 1,170,230.21 - Step 4: Simplify right side
2,041,555.62x = 3,296,558,740,714.71 - Step 5: Solve for x
x = 3,296,558,740,714.71/2,041,555.62 - Step 6: Final answer
x = 1,614,728.84
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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.