Finding the Fourth Proportional to 2,830,555.10, 3,906,063.42 and 1,729,828.02
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Solution
The fourth proportional to 2,830,555.10, 3,906,063.42 and 1,729,828.02 is: 2,387,099.95
Step by Step Solution
- Step 1: Write the proportion equation
2,830,555.10 : 3,906,063.42 = 1,729,828.02 : x - Step 2: Convert to fraction form
2,830,555.10/3,906,063.42 = 1,729,828.02/x - Step 3: Cross multiply
2,830,555.10x = 3,906,063.42 × 1,729,828.02 - Step 4: Simplify right side
2,830,555.10x = 6,756,817,951,813.03 - Step 5: Solve for x
x = 6,756,817,951,813.03/2,830,555.10 - Step 6: Final answer
x = 2,387,099.95
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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.