Finding the Fourth Proportional to 2,114,963.74, 2,918,695.44 and 1,197,194.05
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Solution
The fourth proportional to 2,114,963.74, 2,918,695.44 and 1,197,194.05 is: 1,652,153.53
Step by Step Solution
- Step 1: Write the proportion equation
2,114,963.74 : 2,918,695.44 = 1,197,194.05 : x - Step 2: Convert to fraction form
2,114,963.74/2,918,695.44 = 1,197,194.05/x - Step 3: Cross multiply
2,114,963.74x = 2,918,695.44 × 1,197,194.05 - Step 4: Simplify right side
2,114,963.74x = 3,494,244,814,530.13 - Step 5: Solve for x
x = 3,494,244,814,530.13/2,114,963.74 - Step 6: Final answer
x = 1,652,153.53
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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.