Finding the Fourth Proportional to 5,062,630.60, 6,986,448.55 and 2,739,522.99
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Solution
The fourth proportional to 5,062,630.60, 6,986,448.55 and 2,739,522.99 is: 3,780,551.64
Step by Step Solution
- Step 1: Write the proportion equation
5,062,630.60 : 6,986,448.55 = 2,739,522.99 : x - Step 2: Convert to fraction form
5,062,630.60/6,986,448.55 = 2,739,522.99/x - Step 3: Cross multiply
5,062,630.60x = 6,986,448.55 × 2,739,522.99 - Step 4: Simplify right side
5,062,630.60x = 19,139,536,421,177.16 - Step 5: Solve for x
x = 19,139,536,421,177.16/5,062,630.60 - Step 6: Final answer
x = 3,780,551.64
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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.