Finding the Fourth Proportional to 2,827,468.86, 4,239,596.49 and 1,929,996.96
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Solution
The fourth proportional to 2,827,468.86, 4,239,596.49 and 1,929,996.96 is: 2,893,898.66
Step by Step Solution
- Step 1: Write the proportion equation
2,827,468.86 : 4,239,596.49 = 1,929,996.96 : x - Step 2: Convert to fraction form
2,827,468.86/4,239,596.49 = 1,929,996.96/x - Step 3: Cross multiply
2,827,468.86x = 4,239,596.49 × 1,929,996.96 - Step 4: Simplify right side
2,827,468.86x = 8,182,408,337,326.67 - Step 5: Solve for x
x = 8,182,408,337,326.67/2,827,468.86 - Step 6: Final answer
x = 2,893,898.66
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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.