Finding the Fourth Proportional to 1,609,763.49, 2,220,548.63 and 1,005,101.73
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Solution
The fourth proportional to 1,609,763.49, 2,220,548.63 and 1,005,101.73 is: 1,386,462.84
Step by Step Solution
- Step 1: Write the proportion equation
1,609,763.49 : 2,220,548.63 = 1,005,101.73 : x - Step 2: Convert to fraction form
1,609,763.49/2,220,548.63 = 1,005,101.73/x - Step 3: Cross multiply
1,609,763.49x = 2,220,548.63 × 1,005,101.73 - Step 4: Simplify right side
1,609,763.49x = 2,231,877,264,536.62 - Step 5: Solve for x
x = 2,231,877,264,536.62/1,609,763.49 - Step 6: Final answer
x = 1,386,462.84
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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.