Finding the Fourth Proportional to 4,299,433.98, 6,448,349.78 and 1,381,577.43
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Solution
The fourth proportional to 4,299,433.98, 6,448,349.78 and 1,381,577.43 is: 2,072,108.68
Step by Step Solution
- Step 1: Write the proportion equation
4,299,433.98 : 6,448,349.78 = 1,381,577.43 : x - Step 2: Convert to fraction form
4,299,433.98/6,448,349.78 = 1,381,577.43/x - Step 3: Cross multiply
4,299,433.98x = 6,448,349.78 × 1,381,577.43 - Step 4: Simplify right side
4,299,433.98x = 8,908,894,484,551.72 - Step 5: Solve for x
x = 8,908,894,484,551.72/4,299,433.98 - Step 6: Final answer
x = 2,072,108.68
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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.