Finding the Fourth Proportional to 5,578,686.30, 8,364,209.06 and 2,840,934.08
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Solution
The fourth proportional to 5,578,686.30, 8,364,209.06 and 2,840,934.08 is: 4,259,455.59
Step by Step Solution
- Step 1: Write the proportion equation
5,578,686.30 : 8,364,209.06 = 2,840,934.08 : x - Step 2: Convert to fraction form
5,578,686.30/8,364,209.06 = 2,840,934.08/x - Step 3: Cross multiply
5,578,686.30x = 8,364,209.06 × 2,840,934.08 - Step 4: Simplify right side
5,578,686.30x = 23,762,166,570,798.77 - Step 5: Solve for x
x = 23,762,166,570,798.77/5,578,686.30 - Step 6: Final answer
x = 4,259,455.59
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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.