Finding the Fourth Proportional to 4,614,220.60, 6,917,583.82 and 1,920,562.08
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Solution
The fourth proportional to 4,614,220.60, 6,917,583.82 and 1,920,562.08 is: 2,879,283.49
Step by Step Solution
- Step 1: Write the proportion equation
4,614,220.60 : 6,917,583.82 = 1,920,562.08 : x - Step 2: Convert to fraction form
4,614,220.60/6,917,583.82 = 1,920,562.08/x - Step 3: Cross multiply
4,614,220.60x = 6,917,583.82 × 1,920,562.08 - Step 4: Simplify right side
4,614,220.60x = 13,285,649,169,913.55 - Step 5: Solve for x
x = 13,285,649,169,913.55/4,614,220.60 - Step 6: Final answer
x = 2,879,283.49
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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.