Finding the Fourth Proportional to 5,432,557.10, 7,496,489.97 and 3,140,865.50
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Solution
The fourth proportional to 5,432,557.10, 7,496,489.97 and 3,140,865.50 is: 4,334,140.68
Step by Step Solution
- Step 1: Write the proportion equation
5,432,557.10 : 7,496,489.97 = 3,140,865.50 : x - Step 2: Convert to fraction form
5,432,557.10/7,496,489.97 = 3,140,865.50/x - Step 3: Cross multiply
5,432,557.10x = 7,496,489.97 × 3,140,865.50 - Step 4: Simplify right side
5,432,557.10x = 23,545,466,717,869.04 - Step 5: Solve for x
x = 23,545,466,717,869.04/5,432,557.10 - Step 6: Final answer
x = 4,334,140.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.