Finding the Fourth Proportional to 2,124,356.49, 3,187,863.36 and 862,184.10
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Solution
The fourth proportional to 2,124,356.49, 3,187,863.36 and 862,184.10 is: 1,293,815.38
Step by Step Solution
- Step 1: Write the proportion equation
2,124,356.49 : 3,187,863.36 = 862,184.10 : x - Step 2: Convert to fraction form
2,124,356.49/3,187,863.36 = 862,184.10/x - Step 3: Cross multiply
2,124,356.49x = 3,187,863.36 × 862,184.10 - Step 4: Simplify right side
2,124,356.49x = 2,748,525,101,964.58 - Step 5: Solve for x
x = 2,748,525,101,964.58/2,124,356.49 - Step 6: Final answer
x = 1,293,815.38
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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.