Finding the Fourth Proportional to 5,054,759.68, 6,975,615.60 and 2,879,271.52
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Solution
The fourth proportional to 5,054,759.68, 6,975,615.60 and 2,879,271.52 is: 3,973,421.61
Step by Step Solution
- Step 1: Write the proportion equation
5,054,759.68 : 6,975,615.60 = 2,879,271.52 : x - Step 2: Convert to fraction form
5,054,759.68/6,975,615.60 = 2,879,271.52/x - Step 3: Cross multiply
5,054,759.68x = 6,975,615.60 × 2,879,271.52 - Step 4: Simplify right side
5,054,759.68x = 20,084,691,331,547.71 - Step 5: Solve for x
x = 20,084,691,331,547.71/5,054,759.68 - Step 6: Final answer
x = 3,973,421.61
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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.