Finding the Fourth Proportional to 5,577,872.80, 7,697,617.68 and 3,130,636
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Solution
The fourth proportional to 5,577,872.80, 7,697,617.68 and 3,130,636 is: 4,320,363.67
Step by Step Solution
- Step 1: Write the proportion equation
5,577,872.80 : 7,697,617.68 = 3,130,636 : x - Step 2: Convert to fraction form
5,577,872.80/7,697,617.68 = 3,130,636/x - Step 3: Cross multiply
5,577,872.80x = 7,697,617.68 × 3,130,636 - Step 4: Simplify right side
5,577,872.80x = 24,098,439,023,244.48 - Step 5: Solve for x
x = 24,098,439,023,244.48/5,577,872.80 - Step 6: Final answer
x = 4,320,363.67
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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.