Finding the Fourth Proportional to 3,402,769.12, 4,695,927.72 and 1,952,729.80
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Solution
The fourth proportional to 3,402,769.12, 4,695,927.72 and 1,952,729.80 is: 2,694,828.15
Step by Step Solution
- Step 1: Write the proportion equation
3,402,769.12 : 4,695,927.72 = 1,952,729.80 : x - Step 2: Convert to fraction form
3,402,769.12/4,695,927.72 = 1,952,729.80/x - Step 3: Cross multiply
3,402,769.12x = 4,695,927.72 × 1,952,729.80 - Step 4: Simplify right side
3,402,769.12x = 9,169,877,997,490.06 - Step 5: Solve for x
x = 9,169,877,997,490.06/3,402,769.12 - Step 6: Final answer
x = 2,694,828.15
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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.