Finding the Fourth Proportional to 1,489,863.68, 2,056,058.28 and 845,311.04
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Solution
The fourth proportional to 1,489,863.68, 2,056,058.28 and 845,311.04 is: 1,166,555.56
Step by Step Solution
- Step 1: Write the proportion equation
1,489,863.68 : 2,056,058.28 = 845,311.04 : x - Step 2: Convert to fraction form
1,489,863.68/2,056,058.28 = 845,311.04/x - Step 3: Cross multiply
1,489,863.68x = 2,056,058.28 × 845,311.04 - Step 4: Simplify right side
1,489,863.68x = 1,738,008,762,967.41 - Step 5: Solve for x
x = 1,738,008,762,967.41/1,489,863.68 - Step 6: Final answer
x = 1,166,555.56
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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.