Finding the Fourth Proportional to 1,421,012.93, 1,961,866.64 and 924,769.67
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Solution
The fourth proportional to 1,421,012.93, 1,961,866.64 and 924,769.67 is: 1,276,747.54
Step by Step Solution
- Step 1: Write the proportion equation
1,421,012.93 : 1,961,866.64 = 924,769.67 : x - Step 2: Convert to fraction form
1,421,012.93/1,961,866.64 = 924,769.67/x - Step 3: Cross multiply
1,421,012.93x = 1,961,866.64 × 924,769.67 - Step 4: Simplify right side
1,421,012.93x = 1,814,274,757,759.40 - Step 5: Solve for x
x = 1,814,274,757,759.40/1,421,012.93 - Step 6: Final answer
x = 1,276,747.54
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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.