Finding the Fourth Proportional to 4,121,946.99, 5,688,177.09 and 2,379,557.58
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Solution
The fourth proportional to 4,121,946.99, 5,688,177.09 and 2,379,557.58 is: 3,283,726.10
Step by Step Solution
- Step 1: Write the proportion equation
4,121,946.99 : 5,688,177.09 = 2,379,557.58 : x - Step 2: Convert to fraction form
4,121,946.99/5,688,177.09 = 2,379,557.58/x - Step 3: Cross multiply
4,121,946.99x = 5,688,177.09 × 2,379,557.58 - Step 4: Simplify right side
4,121,946.99x = 13,535,344,910,891.84 - Step 5: Solve for x
x = 13,535,344,910,891.84/4,121,946.99 - Step 6: Final answer
x = 3,283,726.10
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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.