Finding the Fourth Proportional to 3,278,786.95, 4,918,508.52 and 1,004,285.08
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Solution
The fourth proportional to 3,278,786.95, 4,918,508.52 and 1,004,285.08 is: 1,506,528.11
Step by Step Solution
- Step 1: Write the proportion equation
3,278,786.95 : 4,918,508.52 = 1,004,285.08 : x - Step 2: Convert to fraction form
3,278,786.95/4,918,508.52 = 1,004,285.08/x - Step 3: Cross multiply
3,278,786.95x = 4,918,508.52 × 1,004,285.08 - Step 4: Simplify right side
3,278,786.95x = 4,939,584,722,488.88 - Step 5: Solve for x
x = 4,939,584,722,488.88/3,278,786.95 - Step 6: Final answer
x = 1,506,528.11
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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.