Finding the Fourth Proportional to 5,631,446.84, 8,446,729.62 and 1,587,771.32
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Solution
The fourth proportional to 5,631,446.84, 8,446,729.62 and 1,587,771.32 is: 2,381,532.74
Step by Step Solution
- Step 1: Write the proportion equation
5,631,446.84 : 8,446,729.62 = 1,587,771.32 : x - Step 2: Convert to fraction form
5,631,446.84/8,446,729.62 = 1,587,771.32/x - Step 3: Cross multiply
5,631,446.84x = 8,446,729.62 × 1,587,771.32 - Step 4: Simplify right side
5,631,446.84x = 13,411,475,038,430.50 - Step 5: Solve for x
x = 13,411,475,038,430.50/5,631,446.84 - Step 6: Final answer
x = 2,381,532.74
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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.