Finding the Fourth Proportional to 2,698,705.12, 4,048,758.06 and 805,446.49
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Solution
The fourth proportional to 2,698,705.12, 4,048,758.06 and 805,446.49 is: 1,208,378.77
Step by Step Solution
- Step 1: Write the proportion equation
2,698,705.12 : 4,048,758.06 = 805,446.49 : x - Step 2: Convert to fraction form
2,698,705.12/4,048,758.06 = 805,446.49/x - Step 3: Cross multiply
2,698,705.12x = 4,048,758.06 × 805,446.49 - Step 4: Simplify right side
2,698,705.12x = 3,261,057,968,286.21 - Step 5: Solve for x
x = 3,261,057,968,286.21/2,698,705.12 - Step 6: Final answer
x = 1,208,378.77
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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.