Finding the Fourth Proportional to 4,509,872.90, 6,223,879.18 and 2,675,417.30
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Solution
The fourth proportional to 4,509,872.90, 6,223,879.18 and 2,675,417.30 is: 3,692,226.90
Step by Step Solution
- Step 1: Write the proportion equation
4,509,872.90 : 6,223,879.18 = 2,675,417.30 : x - Step 2: Convert to fraction form
4,509,872.90/6,223,879.18 = 2,675,417.30/x - Step 3: Cross multiply
4,509,872.90x = 6,223,879.18 × 2,675,417.30 - Step 4: Simplify right side
4,509,872.90x = 16,651,474,031,281.81 - Step 5: Solve for x
x = 16,651,474,031,281.81/4,509,872.90 - Step 6: Final answer
x = 3,692,226.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.