Finding the Fourth Proportional to 5,523,622.95, 7,626,089.19 and 4,070,787.92
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Solution
The fourth proportional to 5,523,622.95, 7,626,089.19 and 4,070,787.92 is: 5,620,259.02
Step by Step Solution
- Step 1: Write the proportion equation
5,523,622.95 : 7,626,089.19 = 4,070,787.92 : x - Step 2: Convert to fraction form
5,523,622.95/7,626,089.19 = 4,070,787.92/x - Step 3: Cross multiply
5,523,622.95x = 7,626,089.19 × 4,070,787.92 - Step 4: Simplify right side
5,523,622.95x = 31,044,191,713,364.14 - Step 5: Solve for x
x = 31,044,191,713,364.14/5,523,622.95 - Step 6: Final answer
x = 5,620,259.02
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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.