Finding the Fourth Proportional to 2,438,169.12, 3,657,494.24 and 840,521.84
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Solution
The fourth proportional to 2,438,169.12, 3,657,494.24 and 840,521.84 is: 1,260,865.69
Step by Step Solution
- Step 1: Write the proportion equation
2,438,169.12 : 3,657,494.24 = 840,521.84 : x - Step 2: Convert to fraction form
2,438,169.12/3,657,494.24 = 840,521.84/x - Step 3: Cross multiply
2,438,169.12x = 3,657,494.24 × 840,521.84 - Step 4: Simplify right side
2,438,169.12x = 3,074,203,788,394.20 - Step 5: Solve for x
x = 3,074,203,788,394.20/2,438,169.12 - Step 6: Final answer
x = 1,260,865.69
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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.