Finding the Fourth Proportional to 1,515,813.59, 2,092,174.43 and 999,660.63
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Solution
The fourth proportional to 1,515,813.59, 2,092,174.43 and 999,660.63 is: 1,379,763.60
Step by Step Solution
- Step 1: Write the proportion equation
1,515,813.59 : 2,092,174.43 = 999,660.63 : x - Step 2: Convert to fraction form
1,515,813.59/2,092,174.43 = 999,660.63/x - Step 3: Cross multiply
1,515,813.59x = 2,092,174.43 × 999,660.63 - Step 4: Simplify right side
1,515,813.59x = 2,091,464,408,763.69 - Step 5: Solve for x
x = 2,091,464,408,763.69/1,515,813.59 - Step 6: Final answer
x = 1,379,763.60
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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.