Finding the Fourth Proportional to 5,631,423.70, 8,446,694.89 and 1,587,748.18
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Solution
The fourth proportional to 5,631,423.70, 8,446,694.89 and 1,587,748.18 is: 2,381,498.03
Step by Step Solution
- Step 1: Write the proportion equation
5,631,423.70 : 8,446,694.89 = 1,587,748.18 : x - Step 2: Convert to fraction form
5,631,423.70/8,446,694.89 = 1,587,748.18/x - Step 3: Cross multiply
5,631,423.70x = 8,446,694.89 × 1,587,748.18 - Step 4: Simplify right side
5,631,423.70x = 13,411,224,438,612.80 - Step 5: Solve for x
x = 13,411,224,438,612.80/5,631,423.70 - Step 6: Final answer
x = 2,381,498.03
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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.