Finding the Fourth Proportional to 2,167,134.84, 2,990,468.64 and 1,236,838.02
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Solution
The fourth proportional to 2,167,134.84, 2,990,468.64 and 1,236,838.02 is: 1,706,735.20
Step by Step Solution
- Step 1: Write the proportion equation
2,167,134.84 : 2,990,468.64 = 1,236,838.02 : x - Step 2: Convert to fraction form
2,167,134.84/2,990,468.64 = 1,236,838.02/x - Step 3: Cross multiply
2,167,134.84x = 2,990,468.64 × 1,236,838.02 - Step 4: Simplify right side
2,167,134.84x = 3,698,725,311,569.69 - Step 5: Solve for x
x = 3,698,725,311,569.69/2,167,134.84 - Step 6: Final answer
x = 1,706,735.20
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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.