Finding the Fourth Proportional to 5,143,029.12, 7,715,062.08 and 1,356,773.76
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Solution
The fourth proportional to 5,143,029.12, 7,715,062.08 and 1,356,773.76 is: 2,035,297.40
Step by Step Solution
- Step 1: Write the proportion equation
5,143,029.12 : 7,715,062.08 = 1,356,773.76 : x - Step 2: Convert to fraction form
5,143,029.12/7,715,062.08 = 1,356,773.76/x - Step 3: Cross multiply
5,143,029.12x = 7,715,062.08 × 1,356,773.76 - Step 4: Simplify right side
5,143,029.12x = 10,467,593,786,915.02 - Step 5: Solve for x
x = 10,467,593,786,915.02/5,143,029.12 - Step 6: Final answer
x = 2,035,297.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.