Finding the Fourth Proportional to 1,420,135.10, 1,957,926.84 and 1,051,447.94
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Solution
The fourth proportional to 1,420,135.10, 1,957,926.84 and 1,051,447.94 is: 1,449,621.34
Step by Step Solution
- Step 1: Write the proportion equation
1,420,135.10 : 1,957,926.84 = 1,051,447.94 : x - Step 2: Convert to fraction form
1,420,135.10/1,957,926.84 = 1,051,447.94/x - Step 3: Cross multiply
1,420,135.10x = 1,957,926.84 × 1,051,447.94 - Step 4: Simplify right side
1,420,135.10x = 2,058,658,142,588.71 - Step 5: Solve for x
x = 2,058,658,142,588.71/1,420,135.10 - Step 6: Final answer
x = 1,449,621.34
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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.