Finding the Fourth Proportional to 4,130,996.56, 5,700,903.63 and 2,270,378.31
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Solution
The fourth proportional to 4,130,996.56, 5,700,903.63 and 2,270,378.31 is: 3,133,192.63
Step by Step Solution
- Step 1: Write the proportion equation
4,130,996.56 : 5,700,903.63 = 2,270,378.31 : x - Step 2: Convert to fraction form
4,130,996.56/5,700,903.63 = 2,270,378.31/x - Step 3: Cross multiply
4,130,996.56x = 5,700,903.63 × 2,270,378.31 - Step 4: Simplify right side
4,130,996.56x = 12,943,207,951,127.54 - Step 5: Solve for x
x = 12,943,207,951,127.54/4,130,996.56 - Step 6: Final answer
x = 3,133,192.63
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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.