Finding the Fourth Proportional to 4,182,690.31, 6,271,282.18 and 2,758,403.59
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Solution
The fourth proportional to 4,182,690.31, 6,271,282.18 and 2,758,403.59 is: 4,135,789.65
Step by Step Solution
- Step 1: Write the proportion equation
4,182,690.31 : 6,271,282.18 = 2,758,403.59 : x - Step 2: Convert to fraction form
4,182,690.31/6,271,282.18 = 2,758,403.59/x - Step 3: Cross multiply
4,182,690.31x = 6,271,282.18 × 2,758,403.59 - Step 4: Simplify right side
4,182,690.31x = 17,298,727,279,215.03 - Step 5: Solve for x
x = 17,298,727,279,215.03/4,182,690.31 - Step 6: Final answer
x = 4,135,789.65
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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.