Finding the Fourth Proportional to 4,429,995.57, 6,645,367.98 and 1,235,124.45
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Solution
The fourth proportional to 4,429,995.57, 6,645,367.98 and 1,235,124.45 is: 1,852,791.12
Step by Step Solution
- Step 1: Write the proportion equation
4,429,995.57 : 6,645,367.98 = 1,235,124.45 : x - Step 2: Convert to fraction form
4,429,995.57/6,645,367.98 = 1,235,124.45/x - Step 3: Cross multiply
4,429,995.57x = 6,645,367.98 × 1,235,124.45 - Step 4: Simplify right side
4,429,995.57x = 8,207,856,471,345.11 - Step 5: Solve for x
x = 8,207,856,471,345.11/4,429,995.57 - Step 6: Final answer
x = 1,852,791.12
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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.