Finding the Fourth Proportional to 6,872,271.05, 10,292,712.39 and 3,280,560.26
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Solution
The fourth proportional to 6,872,271.05, 10,292,712.39 and 3,280,560.26 is: 4,913,348.58
Step by Step Solution
- Step 1: Write the proportion equation
6,872,271.05 : 10,292,712.39 = 3,280,560.26 : x - Step 2: Convert to fraction form
6,872,271.05/10,292,712.39 = 3,280,560.26/x - Step 3: Cross multiply
6,872,271.05x = 10,292,712.39 × 3,280,560.26 - Step 4: Simplify right side
6,872,271.05x = 33,765,863,182,780.06 - Step 5: Solve for x
x = 33,765,863,182,780.06/6,872,271.05 - Step 6: Final answer
x = 4,913,348.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.