Finding the Fourth Proportional to 4,937,423.80, 7,406,135.70 and 4,097,615.80
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Solution
The fourth proportional to 4,937,423.80, 7,406,135.70 and 4,097,615.80 is: 6,146,423.70
Step by Step Solution
- Step 1: Write the proportion equation
4,937,423.80 : 7,406,135.70 = 4,097,615.80 : x - Step 2: Convert to fraction form
4,937,423.80/7,406,135.70 = 4,097,615.80/x - Step 3: Cross multiply
4,937,423.80x = 7,406,135.70 × 4,097,615.80 - Step 4: Simplify right side
4,937,423.80x = 30,347,498,661,264.06 - Step 5: Solve for x
x = 30,347,498,661,264.06/4,937,423.80 - Step 6: Final answer
x = 6,146,423.70
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1.5x scale
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.