Finding the Fourth Proportional to 4,235,198.49, 6,353,983.58 and 1,712,625.21
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Solution
The fourth proportional to 4,235,198.49, 6,353,983.58 and 1,712,625.21 is: 2,569,417.34
Step by Step Solution
- Step 1: Write the proportion equation
4,235,198.49 : 6,353,983.58 = 1,712,625.21 : x - Step 2: Convert to fraction form
4,235,198.49/6,353,983.58 = 1,712,625.21/x - Step 3: Cross multiply
4,235,198.49x = 6,353,983.58 × 1,712,625.21 - Step 4: Simplify right side
4,235,198.49x = 10,881,992,454,470.93 - Step 5: Solve for x
x = 10,881,992,454,470.93/4,235,198.49 - Step 6: Final answer
x = 2,569,417.34
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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.