Finding the Fourth Proportional to 5,756,631.12, 8,634,354.95 and 1,918,038.96
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Solution
The fourth proportional to 5,756,631.12, 8,634,354.95 and 1,918,038.96 is: 2,876,861.28
Step by Step Solution
- Step 1: Write the proportion equation
5,756,631.12 : 8,634,354.95 = 1,918,038.96 : x - Step 2: Convert to fraction form
5,756,631.12/8,634,354.95 = 1,918,038.96/x - Step 3: Cross multiply
5,756,631.12x = 8,634,354.95 × 1,918,038.96 - Step 4: Simplify right side
5,756,631.12x = 16,561,029,193,363.95 - Step 5: Solve for x
x = 16,561,029,193,363.95/5,756,631.12 - Step 6: Final answer
x = 2,876,861.28
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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.