Finding the Fourth Proportional to 4,280,492.80, 6,420,665.22 and 1,440,604.99
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Solution
The fourth proportional to 4,280,492.80, 6,420,665.22 and 1,440,604.99 is: 2,160,882.59
Step by Step Solution
- Step 1: Write the proportion equation
4,280,492.80 : 6,420,665.22 = 1,440,604.99 : x - Step 2: Convert to fraction form
4,280,492.80/6,420,665.22 = 1,440,604.99/x - Step 3: Cross multiply
4,280,492.80x = 6,420,665.22 × 1,440,604.99 - Step 4: Simplify right side
4,280,492.80x = 9,249,642,355,051.45 - Step 5: Solve for x
x = 9,249,642,355,051.45/4,280,492.80 - Step 6: Final answer
x = 2,160,882.59
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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.