Finding the Fourth Proportional to 4,128,360.62, 5,697,208.08 and 2,267,854.56
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Solution
The fourth proportional to 4,128,360.62, 5,697,208.08 and 2,267,854.56 is: 3,129,677.99
Step by Step Solution
- Step 1: Write the proportion equation
4,128,360.62 : 5,697,208.08 = 2,267,854.56 : x - Step 2: Convert to fraction form
4,128,360.62/5,697,208.08 = 2,267,854.56/x - Step 3: Cross multiply
4,128,360.62x = 5,697,208.08 × 2,267,854.56 - Step 4: Simplify right side
4,128,360.62x = 12,920,439,333,142.24 - Step 5: Solve for x
x = 12,920,439,333,142.24/4,128,360.62 - Step 6: Final answer
x = 3,129,677.99
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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.