Finding the Fourth Proportional to 5,414,895.90, 8,119,233.45 and 1,627,811.10
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Solution
The fourth proportional to 5,414,895.90, 8,119,233.45 and 1,627,811.10 is: 2,440,781.61
Step by Step Solution
- Step 1: Write the proportion equation
5,414,895.90 : 8,119,233.45 = 1,627,811.10 : x - Step 2: Convert to fraction form
5,414,895.90/8,119,233.45 = 1,627,811.10/x - Step 3: Cross multiply
5,414,895.90x = 8,119,233.45 × 1,627,811.10 - Step 4: Simplify right side
5,414,895.90x = 13,216,578,333,401.30 - Step 5: Solve for x
x = 13,216,578,333,401.30/5,414,895.90 - Step 6: Final answer
x = 2,440,781.61
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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.