Finding the Fourth Proportional to 5,697,750.48, 7,862,918.58 and 3,119,671.14
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Solution
The fourth proportional to 5,697,750.48, 7,862,918.58 and 3,119,671.14 is: 4,305,158.72
Step by Step Solution
- Step 1: Write the proportion equation
5,697,750.48 : 7,862,918.58 = 3,119,671.14 : x - Step 2: Convert to fraction form
5,697,750.48/7,862,918.58 = 3,119,671.14/x - Step 3: Cross multiply
5,697,750.48x = 7,862,918.58 × 3,119,671.14 - Step 4: Simplify right side
5,697,750.48x = 24,529,720,170,195.78 - Step 5: Solve for x
x = 24,529,720,170,195.78/5,697,750.48 - Step 6: Final answer
x = 4,305,158.72
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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.