Finding the Fourth Proportional to 4,145,486.64, 6,218,230.04 and 1,619,370.40
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Solution
The fourth proportional to 4,145,486.64, 6,218,230.04 and 1,619,370.40 is: 2,429,055.63
Step by Step Solution
- Step 1: Write the proportion equation
4,145,486.64 : 6,218,230.04 = 1,619,370.40 : x - Step 2: Convert to fraction form
4,145,486.64/6,218,230.04 = 1,619,370.40/x - Step 3: Cross multiply
4,145,486.64x = 6,218,230.04 × 1,619,370.40 - Step 4: Simplify right side
4,145,486.64x = 10,069,617,667,166.82 - Step 5: Solve for x
x = 10,069,617,667,166.82/4,145,486.64 - Step 6: Final answer
x = 2,429,055.63
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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.