Finding the Fourth Proportional to 1,688,926.14, 2,534,161.19 and 919,270.87
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Solution
The fourth proportional to 1,688,926.14, 2,534,161.19 and 919,270.87 is: 1,379,326.49
Step by Step Solution
- Step 1: Write the proportion equation
1,688,926.14 : 2,534,161.19 = 919,270.87 : x - Step 2: Convert to fraction form
1,688,926.14/2,534,161.19 = 919,270.87/x - Step 3: Cross multiply
1,688,926.14x = 2,534,161.19 × 919,270.87 - Step 4: Simplify right side
1,688,926.14x = 2,329,580,570,345.33 - Step 5: Solve for x
x = 2,329,580,570,345.33/1,688,926.14 - Step 6: Final answer
x = 1,379,326.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.