Finding the Fourth Proportional to 1,889,807.76, 2,834,713.77 and 469,863.99
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Solution
The fourth proportional to 1,889,807.76, 2,834,713.77 and 469,863.99 is: 704,796.51
Step by Step Solution
- Step 1: Write the proportion equation
1,889,807.76 : 2,834,713.77 = 469,863.99 : x - Step 2: Convert to fraction form
1,889,807.76/2,834,713.77 = 469,863.99/x - Step 3: Cross multiply
1,889,807.76x = 2,834,713.77 × 469,863.99 - Step 4: Simplify right side
1,889,807.76x = 1,331,929,920,718.15 - Step 5: Solve for x
x = 1,331,929,920,718.15/1,889,807.76 - Step 6: Final answer
x = 704,796.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.