Finding the Fourth Proportional to 4,006,124.64, 5,528,271.60 and 2,195,249.76
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Solution
The fourth proportional to 4,006,124.64, 5,528,271.60 and 2,195,249.76 is: 3,029,345.81
Step by Step Solution
- Step 1: Write the proportion equation
4,006,124.64 : 5,528,271.60 = 2,195,249.76 : x - Step 2: Convert to fraction form
4,006,124.64/5,528,271.60 = 2,195,249.76/x - Step 3: Cross multiply
4,006,124.64x = 5,528,271.60 × 2,195,249.76 - Step 4: Simplify right side
4,006,124.64x = 12,135,936,903,114.81 - Step 5: Solve for x
x = 12,135,936,903,114.81/4,006,124.64 - Step 6: Final answer
x = 3,029,345.81
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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.