Finding the Fourth Proportional to 1,604,806.67, 2,214,860.09 and 993,156.54
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Solution
The fourth proportional to 1,604,806.67, 2,214,860.09 and 993,156.54 is: 1,370,696.44
Step by Step Solution
- Step 1: Write the proportion equation
1,604,806.67 : 2,214,860.09 = 993,156.54 : x - Step 2: Convert to fraction form
1,604,806.67/2,214,860.09 = 993,156.54/x - Step 3: Cross multiply
1,604,806.67x = 2,214,860.09 × 993,156.54 - Step 4: Simplify right side
1,604,806.67x = 2,199,702,778,602.71 - Step 5: Solve for x
x = 2,199,702,778,602.71/1,604,806.67 - Step 6: Final answer
x = 1,370,696.44
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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.