Finding the Fourth Proportional to 4,664,946.28, 6,997,530.12 and 1,253,237.20
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Solution
The fourth proportional to 4,664,946.28, 6,997,530.12 and 1,253,237.20 is: 1,879,885.54
Step by Step Solution
- Step 1: Write the proportion equation
4,664,946.28 : 6,997,530.12 = 1,253,237.20 : x - Step 2: Convert to fraction form
4,664,946.28/6,997,530.12 = 1,253,237.20/x - Step 3: Cross multiply
4,664,946.28x = 6,997,530.12 × 1,253,237.20 - Step 4: Simplify right side
4,664,946.28x = 8,769,565,054,504.46 - Step 5: Solve for x
x = 8,769,565,054,504.46/4,664,946.28 - Step 6: Final answer
x = 1,879,885.54
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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.