Finding the Fourth Proportional to 2,250,708.12, 3,106,054.08 and 1,232,113.68
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Solution
The fourth proportional to 2,250,708.12, 3,106,054.08 and 1,232,113.68 is: 1,700,358.96
Step by Step Solution
- Step 1: Write the proportion equation
2,250,708.12 : 3,106,054.08 = 1,232,113.68 : x - Step 2: Convert to fraction form
2,250,708.12/3,106,054.08 = 1,232,113.68/x - Step 3: Cross multiply
2,250,708.12x = 3,106,054.08 × 1,232,113.68 - Step 4: Simplify right side
2,250,708.12x = 3,827,011,722,787.81 - Step 5: Solve for x
x = 3,827,011,722,787.81/2,250,708.12 - Step 6: Final answer
x = 1,700,358.96
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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.