Finding the Fourth Proportional to 5,616,101.70, 8,424,152.55 and 2,781,749.70
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Solution
The fourth proportional to 5,616,101.70, 8,424,152.55 and 2,781,749.70 is: 4,172,624.55
Step by Step Solution
- Step 1: Write the proportion equation
5,616,101.70 : 8,424,152.55 = 2,781,749.70 : x - Step 2: Convert to fraction form
5,616,101.70/8,424,152.55 = 2,781,749.70/x - Step 3: Cross multiply
5,616,101.70x = 8,424,152.55 × 2,781,749.70 - Step 4: Simplify right side
5,616,101.70x = 23,433,883,828,716.74 - Step 5: Solve for x
x = 23,433,883,828,716.74/5,616,101.70 - Step 6: Final answer
x = 4,172,624.55
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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.