Finding the Fourth Proportional to 4,844,752.60, 7,267,128.90 and 4,745,219.80
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Solution
The fourth proportional to 4,844,752.60, 7,267,128.90 and 4,745,219.80 is: 7,117,829.70
Step by Step Solution
- Step 1: Write the proportion equation
4,844,752.60 : 7,267,128.90 = 4,745,219.80 : x - Step 2: Convert to fraction form
4,844,752.60/7,267,128.90 = 4,745,219.80/x - Step 3: Cross multiply
4,844,752.60x = 7,267,128.90 × 4,745,219.80 - Step 4: Simplify right side
4,844,752.60x = 34,484,123,945,432.22 - Step 5: Solve for x
x = 34,484,123,945,432.22/4,844,752.60 - Step 6: Final answer
x = 7,117,829.70
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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.