Finding the Fourth Proportional to 4,964,946.70, 7,447,420.05 and 2,445,522.70
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Solution
The fourth proportional to 4,964,946.70, 7,447,420.05 and 2,445,522.70 is: 3,668,284.05
Step by Step Solution
- Step 1: Write the proportion equation
4,964,946.70 : 7,447,420.05 = 2,445,522.70 : x - Step 2: Convert to fraction form
4,964,946.70/7,447,420.05 = 2,445,522.70/x - Step 3: Cross multiply
4,964,946.70x = 7,447,420.05 × 2,445,522.70 - Step 4: Simplify right side
4,964,946.70x = 18,212,834,788,710.14 - Step 5: Solve for x
x = 18,212,834,788,710.14/4,964,946.70 - Step 6: Final answer
x = 3,668,284.05
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Double scale
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Similar ratio
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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.