Finding the Fourth Proportional to 3,172,000.08, 4,377,364.53 and 1,721,695.84
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Solution
The fourth proportional to 3,172,000.08, 4,377,364.53 and 1,721,695.84 is: 2,375,942.66
Step by Step Solution
- Step 1: Write the proportion equation
3,172,000.08 : 4,377,364.53 = 1,721,695.84 : x - Step 2: Convert to fraction form
3,172,000.08/4,377,364.53 = 1,721,695.84/x - Step 3: Cross multiply
3,172,000.08x = 4,377,364.53 × 1,721,695.84 - Step 4: Simplify right side
3,172,000.08x = 7,536,490,301,464.56 - Step 5: Solve for x
x = 7,536,490,301,464.56/3,172,000.08 - Step 6: Final answer
x = 2,375,942.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.