Finding the Fourth Proportional to 1,444,403.84, 1,992,937.92 and 863,816.96
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Solution
The fourth proportional to 1,444,403.84, 1,992,937.92 and 863,816.96 is: 1,191,864.44
Step by Step Solution
- Step 1: Write the proportion equation
1,444,403.84 : 1,992,937.92 = 863,816.96 : x - Step 2: Convert to fraction form
1,444,403.84/1,992,937.92 = 863,816.96/x - Step 3: Cross multiply
1,444,403.84x = 1,992,937.92 × 863,816.96 - Step 4: Simplify right side
1,444,403.84x = 1,721,533,575,523.12 - Step 5: Solve for x
x = 1,721,533,575,523.12/1,444,403.84 - Step 6: Final answer
x = 1,191,864.44
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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.