Finding the Fourth Proportional to 5,452,029.61, 7,523,830.73 and 3,128,737.39
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Solution
The fourth proportional to 5,452,029.61, 7,523,830.73 and 3,128,737.39 is: 4,317,674.74
Step by Step Solution
- Step 1: Write the proportion equation
5,452,029.61 : 7,523,830.73 = 3,128,737.39 : x - Step 2: Convert to fraction form
5,452,029.61/7,523,830.73 = 3,128,737.39/x - Step 3: Cross multiply
5,452,029.61x = 7,523,830.73 × 3,128,737.39 - Step 4: Simplify right side
5,452,029.61x = 23,540,090,509,994.26 - Step 5: Solve for x
x = 23,540,090,509,994.26/5,452,029.61 - Step 6: Final answer
x = 4,317,674.74
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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.