Finding the Fourth Proportional to 2,291,987.44, 3,163,041.08 and 1,273,392.19
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Solution
The fourth proportional to 2,291,987.44, 3,163,041.08 and 1,273,392.19 is: 1,757,335.90
Step by Step Solution
- Step 1: Write the proportion equation
2,291,987.44 : 3,163,041.08 = 1,273,392.19 : x - Step 2: Convert to fraction form
2,291,987.44/3,163,041.08 = 1,273,392.19/x - Step 3: Cross multiply
2,291,987.44x = 3,163,041.08 × 1,273,392.19 - Step 4: Simplify right side
2,291,987.44x = 4,027,791,807,921.17 - Step 5: Solve for x
x = 4,027,791,807,921.17/2,291,987.44 - Step 6: Final answer
x = 1,757,335.90
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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.