Finding the Fourth Proportional to 1,777,421.08, 2,666,408.10 and 579,064.42
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Solution
The fourth proportional to 1,777,421.08, 2,666,408.10 and 579,064.42 is: 868,686.70
Step by Step Solution
- Step 1: Write the proportion equation
1,777,421.08 : 2,666,408.10 = 579,064.42 : x - Step 2: Convert to fraction form
1,777,421.08/2,666,408.10 = 579,064.42/x - Step 3: Cross multiply
1,777,421.08x = 2,666,408.10 × 579,064.42 - Step 4: Simplify right side
1,777,421.08x = 1,544,022,059,909.80 - Step 5: Solve for x
x = 1,544,022,059,909.80/1,777,421.08 - Step 6: Final answer
x = 868,686.70
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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.