Finding the Fourth Proportional to 1,544,815.62, 2,131,848.18 and 865,752.12
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Solution
The fourth proportional to 1,544,815.62, 2,131,848.18 and 865,752.12 is: 1,194,739.40
Step by Step Solution
- Step 1: Write the proportion equation
1,544,815.62 : 2,131,848.18 = 865,752.12 : x - Step 2: Convert to fraction form
1,544,815.62/2,131,848.18 = 865,752.12/x - Step 3: Cross multiply
1,544,815.62x = 2,131,848.18 × 865,752.12 - Step 4: Simplify right side
1,544,815.62x = 1,845,652,081,353.14 - Step 5: Solve for x
x = 1,845,652,081,353.14/1,544,815.62 - Step 6: Final answer
x = 1,194,739.40
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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.