Finding the Fourth Proportional to 2,775,357.74, 3,830,633.79 and 1,806,801.50
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Solution
The fourth proportional to 2,775,357.74, 3,830,633.79 and 1,806,801.50 is: 2,493,802.79
Step by Step Solution
- Step 1: Write the proportion equation
2,775,357.74 : 3,830,633.79 = 1,806,801.50 : x - Step 2: Convert to fraction form
2,775,357.74/3,830,633.79 = 1,806,801.50/x - Step 3: Cross multiply
2,775,357.74x = 3,830,633.79 × 1,806,801.50 - Step 4: Simplify right side
2,775,357.74x = 6,921,194,877,722.69 - Step 5: Solve for x
x = 6,921,194,877,722.69/2,775,357.74 - Step 6: Final answer
x = 2,493,802.79
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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.