Finding the Fourth Proportional to 4,102,011.42, 5,660,889.95 and 2,266,588.57
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Solution
The fourth proportional to 4,102,011.42, 5,660,889.95 and 2,266,588.57 is: 3,127,955.32
Step by Step Solution
- Step 1: Write the proportion equation
4,102,011.42 : 5,660,889.95 = 2,266,588.57 : x - Step 2: Convert to fraction form
4,102,011.42/5,660,889.95 = 2,266,588.57/x - Step 3: Cross multiply
4,102,011.42x = 5,660,889.95 × 2,266,588.57 - Step 4: Simplify right side
4,102,011.42x = 12,830,908,448,212.12 - Step 5: Solve for x
x = 12,830,908,448,212.12/4,102,011.42 - Step 6: Final answer
x = 3,127,955.32
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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.