Finding the Fourth Proportional to 6,347,929.65, 8,762,823.44 and 4,285,737.48
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Solution
The fourth proportional to 6,347,929.65, 8,762,823.44 and 4,285,737.48 is: 5,916,127.45
Step by Step Solution
- Step 1: Write the proportion equation
6,347,929.65 : 8,762,823.44 = 4,285,737.48 : x - Step 2: Convert to fraction form
6,347,929.65/8,762,823.44 = 4,285,737.48/x - Step 3: Cross multiply
6,347,929.65x = 8,762,823.44 × 4,285,737.48 - Step 4: Simplify right side
6,347,929.65x = 37,555,160,826,001.85 - Step 5: Solve for x
x = 37,555,160,826,001.85/6,347,929.65 - Step 6: Final answer
x = 5,916,127.45
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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.