Finding the Fourth Proportional to 4,155,153.20, 6,234,703.66 and 2,877,726.50
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Solution
The fourth proportional to 4,155,153.20, 6,234,703.66 and 2,877,726.50 is: 4,317,956.78
Step by Step Solution
- Step 1: Write the proportion equation
4,155,153.20 : 6,234,703.66 = 2,877,726.50 : x - Step 2: Convert to fraction form
4,155,153.20/6,234,703.66 = 2,877,726.50/x - Step 3: Cross multiply
4,155,153.20x = 6,234,703.66 × 2,877,726.50 - Step 4: Simplify right side
4,155,153.20x = 17,941,771,942,028.99 - Step 5: Solve for x
x = 17,941,771,942,028.99/4,155,153.20 - Step 6: Final answer
x = 4,317,956.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.