Finding the Fourth Proportional to 6,439,024.78, 8,883,916.44 and 3,859,764.46
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Solution
The fourth proportional to 6,439,024.78, 8,883,916.44 and 3,859,764.46 is: 5,325,313.40
Step by Step Solution
- Step 1: Write the proportion equation
6,439,024.78 : 8,883,916.44 = 3,859,764.46 : x - Step 2: Convert to fraction form
6,439,024.78/8,883,916.44 = 3,859,764.46/x - Step 3: Cross multiply
6,439,024.78x = 8,883,916.44 × 3,859,764.46 - Step 4: Simplify right side
6,439,024.78x = 34,289,824,896,302.14 - Step 5: Solve for x
x = 34,289,824,896,302.14/6,439,024.78 - Step 6: Final answer
x = 5,325,313.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.