Finding the Fourth Proportional to 2,637,811.02, 3,639,023.46 and 1,549,591.68
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Solution
The fourth proportional to 2,637,811.02, 3,639,023.46 and 1,549,591.68 is: 2,137,757.57
Step by Step Solution
- Step 1: Write the proportion equation
2,637,811.02 : 3,639,023.46 = 1,549,591.68 : x - Step 2: Convert to fraction form
2,637,811.02/3,639,023.46 = 1,549,591.68/x - Step 3: Cross multiply
2,637,811.02x = 3,639,023.46 × 1,549,591.68 - Step 4: Simplify right side
2,637,811.02x = 5,639,000,476,940.81 - Step 5: Solve for x
x = 5,639,000,476,940.81/2,637,811.02 - Step 6: Final answer
x = 2,137,757.57
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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.