Finding the Fourth Proportional to 2,133,512.68, 2,942,860.26 and 1,368,354.28
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Solution
The fourth proportional to 2,133,512.68, 2,942,860.26 and 1,368,354.28 is: 1,887,439.18
Step by Step Solution
- Step 1: Write the proportion equation
2,133,512.68 : 2,942,860.26 = 1,368,354.28 : x - Step 2: Convert to fraction form
2,133,512.68/2,942,860.26 = 1,368,354.28/x - Step 3: Cross multiply
2,133,512.68x = 2,942,860.26 × 1,368,354.28 - Step 4: Simplify right side
2,133,512.68x = 4,026,875,432,212.91 - Step 5: Solve for x
x = 4,026,875,432,212.91/2,133,512.68 - Step 6: Final answer
x = 1,887,439.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.